Train from Clermont-Ferrand to Sierre/Siders
🇫🇷 Clermont-Ferrand → 🇨🇭 Sierre/Siders
Straight-line Distance
347 km
E (78.9°)
Rail Distance
~451 km
Estimated by rail
Travel Time
~1h 47m
High_Speed
CO2 Saved vs Flight
91.3%
80.5 kg less CO2
Environmental Comparison
Train
High_Speed
Flight
Economy class
Taking the train saves 80.5 kg CO2 (91.3% less emissions)
Route Information
Stations on This Route
Journey Tips
Intercité or TER trains from Clermont-Ferrand connect east to Lyon, where TGV Lyria services continue to Geneva and SBB trains head into the Valais. Clermont-Ferrand is set amid the Auvergne volcanoes. Carry a valid passport or EU ID for the Swiss border.
Scenic Highlight
The volcanic landscape of the Auvergne around Clermont-Ferrand, with the distinctive conical profiles of extinct puys rising above the plateau, is one of France's most distinctive geological landscapes and visible near the start of the journey.
Booking Tip
Book intercité services via SNCF Connect and TGV Lyria via lyria.com; the Swiss Travel Pass covers all SBB services from Geneva onward and is highly recommended for a Valais stay.
Continue Your Journey
Continue from Sierre/Siders
Also from Clermont-Ferrand
Frequently Asked Questions
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Clermont-Ferrand to Sierre/Siders
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Data last updated: 2026-02-27