Train from Madrid Atocha to Sion
🇪🇸 Madrid Atocha → 🇨🇭 Sion
Straight-line Distance
1,102 km
NE (50.4°)
Rail Distance
~1,433 km
Estimated by rail
Travel Time
~5h 17m
High_Speed
CO2 Saved vs Flight
91.3%
255.6 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
24.4 kg
Flight
Economy class
CO2 Emissions
280.0 kg
Taking the train saves 255.6 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Sion
Also from Madrid Atocha
Frequently Asked Questions
The estimated train journey from Madrid Atocha to Sion takes approximately 5h 17m. This estimate is based on a rail distance of ~1433 km using a high_speed service.
The estimated rail distance from Madrid Atocha to Sion is approximately 1433 km (1102 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Madrid Atocha to Sion emits approximately 24.4 kg of CO2, compared to 280.0 kg by flight. Taking the train saves 255.6 kg of CO2 — a 91.3% reduction in emissions.
The route from Madrid Atocha 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 Madrid Atocha and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Madrid Atocha to Sion
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Data last updated: 2026-02-27