Train from Ashford International to Sion
🇬🇧 Ashford International → 🇨🇭 Sion
Straight-line Distance
724 km
SE (136.5°)
Rail Distance
~941 km
Estimated by rail
Travel Time
~3h 32m
High_Speed
CO2 Saved vs Flight
91.3%
167.9 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
16.0 kg
Flight
Economy class
CO2 Emissions
183.9 kg
Taking the train saves 167.9 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 Sion
Also from Ashford International
Frequently Asked Questions
The estimated train journey from Ashford International to Sion takes approximately 3h 32m. This estimate is based on a rail distance of ~941 km using a high_speed service.
The estimated rail distance from Ashford International to Sion is approximately 941 km (724 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Ashford International to Sion emits approximately 16.0 kg of CO2, compared to 183.9 kg by flight. Taking the train saves 167.9 kg of CO2 — a 91.3% reduction in emissions.
The route from Ashford International 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 Ashford International and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Ashford International to Sion
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Data last updated: 2026-02-27