Train from Paris Gare du Nord to Sion
🇫🇷 Paris Gare du Nord → 🇨🇭 Sion
Straight-line Distance
477 km
SE (126.3°)
Rail Distance
~620 km
Estimated by rail
Travel Time
~2h 23m
High_Speed
CO2 Saved vs Flight
91.3%
110.6 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
10.5 kg
Flight
Economy class
CO2 Emissions
121.1 kg
Taking the train saves 110.6 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Related Guides
Continue Your Journey
Continue from Sion
Also from Paris Gare du Nord
Frequently Asked Questions
The estimated train journey from Paris Gare du Nord to Sion takes approximately 2h 23m. This estimate is based on a rail distance of ~620 km using a high_speed service.
The estimated rail distance from Paris Gare du Nord to Sion is approximately 620 km (477 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Paris Gare du Nord to Sion emits approximately 10.5 kg of CO2, compared to 121.1 kg by flight. Taking the train saves 110.6 kg of CO2 — a 91.3% reduction in emissions.
The route from Paris Gare du Nord 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 Paris Gare du Nord and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Paris Gare du Nord to Sion
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Data last updated: 2026-02-27