Train from Château-Arnoux – St-Auban to Sion
🇫🇷 Château-Arnoux – St-Auban → 🇨🇭 Sion
Straight-line Distance
263 km
NNE (23.4°)
Rail Distance
~342 km
Estimated by rail
Travel Time
~1h 23m
High_Speed
CO2 Saved vs Flight
91.3%
61.0 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
5.8 kg
Flight
Economy class
CO2 Emissions
66.8 kg
Taking the train saves 61.0 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Sion
Also from Château-Arnoux – St-Auban
Frequently Asked Questions
The estimated train journey from Château-Arnoux – St-Auban to Sion takes approximately 1h 23m. This estimate is based on a rail distance of ~342 km using a high_speed service.
The estimated rail distance from Château-Arnoux – St-Auban to Sion is approximately 342 km (263 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Château-Arnoux – St-Auban to Sion emits approximately 5.8 kg of CO2, compared to 66.8 kg by flight. Taking the train saves 61.0 kg of CO2 — a 91.3% reduction in emissions.
The route from Château-Arnoux – St-Auban 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 Château-Arnoux – St-Auban and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Château-Arnoux – St-Auban to Sion
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Data last updated: 2026-02-27