Train from Pau to Sion
🇫🇷 Pau → 🇨🇭 Sion
Straight-line Distance
692 km
ENE (59.2°)
Rail Distance
~900 km
Estimated by rail
Travel Time
~3h 23m
High_Speed
CO2 Saved vs Flight
91.3%
160.5 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
15.3 kg
Flight
Economy class
CO2 Emissions
175.8 kg
Taking the train saves 160.5 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 Pau to Sion takes approximately 3h 23m. This estimate is based on a rail distance of ~900 km using a high_speed service.
The estimated rail distance from Pau to Sion is approximately 900 km (692 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Pau to Sion emits approximately 15.3 kg of CO2, compared to 175.8 kg by flight. Taking the train saves 160.5 kg of CO2 — a 91.3% reduction in emissions.
The route from Pau 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 Pau and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Pau to Sion
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Data last updated: 2026-02-27