Train from Nantes to Sierre/Siders
🇫🇷 Nantes → 🇨🇭 Sierre/Siders
Straight-line Distance
699 km
E (95.1°)
Rail Distance
~909 km
Estimated by rail
Travel Time
~3h 25m
High_Speed
CO2 Saved vs Flight
91.3%
162.2 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
15.5 kg
Flight
Economy class
CO2 Emissions
177.6 kg
Taking the train saves 162.2 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Sierre/Siders
Also from Nantes
Frequently Asked Questions
The estimated train journey from Nantes to Sierre/Siders takes approximately 3h 25m. This estimate is based on a rail distance of ~909 km using a high_speed service.
The estimated rail distance from Nantes to Sierre/Siders is approximately 909 km (699 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Nantes to Sierre/Siders emits approximately 15.5 kg of CO2, compared to 177.6 kg by flight. Taking the train saves 162.2 kg of CO2 — a 91.3% reduction in emissions.
The route from Nantes to Sierre/Siders 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 Nantes and Sierre/Siders.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Nantes to Sierre/Siders
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Data last updated: 2026-02-27