Train from Bonn Hbf to Sion
🇩🇪 Bonn Hbf → 🇨🇭 Sion
Straight-line Distance
501 km
S (177.7°)
Rail Distance
~651 km
Estimated by rail
Travel Time
~2h 30m
High_Speed
CO2 Saved vs Flight
91.3%
116.1 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
11.1 kg
Flight
Economy class
CO2 Emissions
127.2 kg
Taking the train saves 116.1 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 Bonn Hbf to Sion takes approximately 2h 30m. This estimate is based on a rail distance of ~651 km using a high_speed service.
The estimated rail distance from Bonn Hbf to Sion is approximately 651 km (501 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Bonn Hbf to Sion emits approximately 11.1 kg of CO2, compared to 127.2 kg by flight. Taking the train saves 116.1 kg of CO2 — a 91.3% reduction in emissions.
The route from Bonn Hbf 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 Bonn Hbf and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Bonn Hbf to Sion
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Data last updated: 2026-02-27