Train from Boulogne-sur-Mer Ville to Sion
🇫🇷 Boulogne-sur-Mer Ville → 🇨🇭 Sion
Straight-line Distance
654 km
SE (137.5°)
Rail Distance
~850 km
Estimated by rail
Travel Time
~3h 12m
High_Speed
CO2 Saved vs Flight
91.3%
151.6 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
14.4 kg
Flight
Economy class
CO2 Emissions
166.1 kg
Taking the train saves 151.6 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Sion
Also from Boulogne-sur-Mer Ville
Frequently Asked Questions
The estimated train journey from Boulogne-sur-Mer Ville to Sion takes approximately 3h 12m. This estimate is based on a rail distance of ~850 km using a high_speed service.
The estimated rail distance from Boulogne-sur-Mer Ville to Sion is approximately 850 km (654 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Boulogne-sur-Mer Ville to Sion emits approximately 14.4 kg of CO2, compared to 166.1 kg by flight. Taking the train saves 151.6 kg of CO2 — a 91.3% reduction in emissions.
The route from Boulogne-sur-Mer Ville 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 Boulogne-sur-Mer Ville and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Boulogne-sur-Mer Ville to Sion
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Data last updated: 2026-02-27