Train from Roscoff to Sion
🇫🇷 Roscoff → 🇨🇭 Sion
Straight-line Distance
895 km
ESE (103.8°)
Rail Distance
~1,164 km
Estimated by rail
Travel Time
~4h 19m
High_Speed
CO2 Saved vs Flight
91.3%
207.6 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
19.8 kg
Flight
Economy class
CO2 Emissions
227.4 kg
Taking the train saves 207.6 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Frequently Asked Questions
The estimated train journey from Roscoff to Sion takes approximately 4h 19m. This estimate is based on a rail distance of ~1164 km using a high_speed service.
The estimated rail distance from Roscoff to Sion is approximately 1164 km (895 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Roscoff to Sion emits approximately 19.8 kg of CO2, compared to 227.4 kg by flight. Taking the train saves 207.6 kg of CO2 — a 91.3% reduction in emissions.
The route from Roscoff to Sion 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 Roscoff and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Roscoff to Sion
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Data last updated: 2026-02-27