What is the longest train route journey?

Longest Train Route Journey: Trans-Siberian vs Portugal-Singapore

The title of longest train route journey encompasses multiple definitions: the longest single continuous train ride, the furthest theoretical trip connecting continents, and the most scenic coast-to-coast adventure in the US. Understanding these differences helps you choose the right journey for your travel style.

Defining 'Longest': A Journey of Many Interpretations

Ask ten rail enthusiasts what the world's longest train ride is, and youll get at least four different answers. Thats because longest can mean a single train you board once and ride for days, or a multi-ticket adventure that stitches together different rail networks across continents. The current record-holder for a continuous journey? The Trans-Siberian Railway. But the longest possible train trip - the one that makes bucket-list travelers’ eyes go wide - starts in Portugal and ends in Singapore, covering more ground than any single train ever could.

The Longest Single-Ticket Ride: Conquering the Trans-Siberian Railway

If you want to climb aboard one train and stay there until you reach the other end, nothing beats Russia’s Trans-Siberian Railway. It stretches 9,289 kilometers from Moscow to Vladivostok, crossing eight time zones. Thats like traveling from London to New York - and then doing it again - without ever leaving the tracks. The journey takes about seven to eight days, assuming you dont hop off for a break. Most travelers break it up, spending a few days in cities like Yekaterinburg or Irkutsk near Lake Baikal.

I remember hearing stories from a friend who did the full ride straight through. He said the first 48 hours were magical - watching forests roll past, sharing tea with strangers. By day three, the novelty wore off. His cabin mate snored like a freight train, the dining car ran out of borscht, and he started counting birch trees out of sheer boredom. His breakthrough? He stopped trying to experience every moment and let the journey become background noise. That shift turned a grueling week into a meditative reset.

What It's Like to Spend a Week on the Train

Sleeping arrangements vary: second-class cabins have four beds, first-class has two. Meals are simple but hearty - think cabbage soup, buckwheat porridge, and endless cups of tea. The real luxury is the people you meet. In seven days, you might share a compartment with a Russian oil worker headed to Sakhalin, a German backpacker, and a retired Chinese couple carrying their own electric kettle. Those conversations, not the scenery, end up being the souvenir.

The Ultimate Theoretical Journey: Portugal to Singapore

Here’s where things get ambitious. The longest train trip Portugal to Singapore spans approximately 18,755 kilometers (over 11,650 miles) from Lagos, Portugal, to Singapore. It weaves through 13 countries and eight time zones, requiring at least five separate train tickets and a whole lot of patience. ^[4] The route became technically possible only in 2021, when the Laos-China Railway opened, finally linking the Thai and Chinese networks.

No one has officially completed this exact itinerary with a single ticket - because no such ticket exists. Instead, you piece it together: Lagos to Madrid, then Paris, Berlin, Warsaw, Moscow, then the Trans-Siberian to Beijing, then south through China into Laos, Thailand, Malaysia, and finally Singapore. The whole thing takes about 21 days if you’re moving constantly, but most people stretch it to six weeks to actually see the places they’re passing through. ^[5]

Let’s be honest: doing this in 21 days straight would feel like being a postal package. The real adventure is in the pauses - a night in a Siberian hostel, a bowl of noodles in a Beijing backstreet, a beach day in Thailand before you board the final train south.

The Route: Crossing 13 Countries and Eight Time Zones

Let’s break down the major legs: Europe to Moscow: You can start in Portugal, travel via Spain and France into Germany, then Poland, and finally Russia. To find the longest train route journey to China: From Moscow, you take the classic Trans-Siberian or Trans-Mongolian route through Siberia into Beijing. China to Southeast Asia: The new Laos-China Railway gets you from Kunming to Vientiane. From there, trains connect through Thailand and Malaysia to Singapore.

The biggest logistical hurdles aren’t the tracks - they’re the border crossings. Some require visas arranged months in advance. Russia and China, for instance, have notoriously strict visa policies for Western travelers. And the Russia-Ukraine situation has complicated rail travel through Russia for many nationalities. So while this route exists on paper, actually doing it today takes careful planning and a willingness to adjust.

Longest Train Rides in the United States: Amtrak's California Zephyr

For those who prefer to keep their adventure within North America, the Amtrak California Zephyr offers the longest train route in US. It runs 2,438 miles from Chicago to Emeryville, California (just across the bay from San Francisco). The journey takes about 52 hours, snaking through the Rocky Mountains, the red canyons of Utah, and the Sierra Nevada. ^[6] It’s often called one of the most scenic train trips in the world, and unlike its Russian cousin, it runs daily with Wi-Fi and observation cars.

I’ve done the California Zephyr from Denver to San Francisco - just the last leg - and even that 24-hour stretch was stunning. You roll out of Denver in the afternoon, wake up in the middle of Utah’s desert, and by dinner you’re climbing into the Sierras. The observation car turns into a mobile living room where strangers become friends over a shared sense of wonder. It’s the kind of trip that makes you understand why train travel still captivates people.

Longest International Non‑Stop Service

One more longest train journey record to round out the list: the longest non‑stop international train service. That title belongs to a Eurostar service from London to Cannes, covering 1,421 kilometers (883 miles) without any passenger stops. It’s a seasonal route that runs during summer, whisking travelers from the UK to the French Riviera in about eight hours. For comparison, that’s longer than the distance from Paris to Berlin.

How the Longest Journeys Compare

Trans-Siberian Railway

• Purists who want the classic, uninterrupted experience
• 7–8 days without stops
• 9,289 km (continuous single ticket)
• Russia only (but crosses 8 time zones)

Portugal → Singapore (Theoretical)

• Adventurers who love logistics and seeing many cultures
• 21 days minimum, realistically 4–6 weeks
• 18,755 km (multi‑ticket)
• 13 countries

Amtrak California Zephyr

• Scenery lovers and first‑time long‑distance rail travelers
• 52 hours
• 2,438 miles (3,924 km)
• US only (7 states)

Alex’s Trans‑Siberian Reality Check

Alex, a 34‑year‑old teacher from Bristol, booked a second‑class ticket from Moscow to Vladivostok with grand visions of reading Tolstoy and writing a travel journal. By day two, his laptop had died (no outlet in his cabin), his Russian phrasebook felt useless, and he’d eaten his third bowl of cabbage soup.

The first breakthrough came when he realized the train’s provodnitsa (carriage attendant) had a stash of USB chargers hidden in her compartment. The second - and more important - realization happened on day four: he’d been so focused on documenting the trip that he’d stopped actually experiencing it. He put away his camera, accepted that he’d never understand the menu, and started saying yes to every invitation for tea.

That shift changed everything. He spent hours talking to a Siberian geologist who taught him to spot permafrost zones from the window. A group of Kazakh students pulled him into a game of Durak (a Russian card game) that lasted six hours. By the time he reached Vladivostok, he hadn’t written a single chapter of his novel, but he’d collected stories that would fill one.

His final takeaway? “The journey isn’t about the distance - it’s about who you share the compartment with. I went looking for solitude and found connection instead.”