Train from London St Pancras International to Altdorf
🇬🇧 London St Pancras International → 🇨🇭 Altdorf
Straight-line Distance
819 km
SE (125.8°)
Rail Distance
~1,065 km
Estimated by rail
Travel Time
~3h 58m
High_Speed
CO2 Saved vs Flight
91.3%
190.0 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
18.1 kg
Flight
Economy class
CO2 Emissions
208.1 kg
Taking the train saves 190.0 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Time zone difference: 1.0 hour(s)
Stations on This Route
Continue Your Journey
Continue from Altdorf
Also from London St Pancras International
Frequently Asked Questions
The estimated train journey from London St Pancras International to Altdorf takes approximately 3h 58m. This estimate is based on a rail distance of ~1065 km using a high_speed service.
The estimated rail distance from London St Pancras International to Altdorf is approximately 1065 km (819 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from London St Pancras International to Altdorf emits approximately 18.1 kg of CO2, compared to 208.1 kg by flight. Taking the train saves 190.0 kg of CO2 — a 91.3% reduction in emissions.
The route from London St Pancras International to Altdorf typically requires at least one transfer. Check operator timetables for the most direct connection available.
Check regional and national rail operator websites for services between London St Pancras International and Altdorf.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for London St Pancras International to Altdorf
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Data last updated: 2026-02-27