Train from Montpellier St-Roch to Sion

🇫🇷 Montpellier St-Roch → 🇨🇭 Sion

Straight-line Distance

400 km

NE (42.0°)

Rail Distance

~520 km

Estimated by rail

Travel Time

~2h 1m

High_Speed

CO2 Saved vs Flight

91.3%

92.8 kg less CO2

Environmental Comparison

Train

High_Speed

CO2 Emissions 8.8 kg

Flight

Economy class

CO2 Emissions 101.6 kg

Taking the train saves 92.8 kg CO2 (91.3% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇫🇷

Origin

Montpellier St-Roch
🇨🇭

Destination

Sion

Journey Tips

TGV InOui connects Montpellier to Lyon, where TGV Lyria continues to Sion — a popular Mediterranean-to-Alps crossing. Montpellier St-Roch is a central station with excellent tram links across the city. The full journey takes around 5-6 hours including the Lyon connection.

Scenic Highlight

The Languedoc coastline and garrigues visible near Montpellier give way to the Rhône Valley and eventually the Alpine foothills, a journey through the full spectrum of southern French and Swiss landscapes.

Booking Tip

Book TGV InOui tickets to Lyon via SNCF Connect and TGV Lyria onwards via Lyria.com; Prem's fares for the French segment booked 4-6 weeks ahead can be very competitive.

Continue Your Journey

Continue from Sion

🇨🇭 Sierre/Siders 15 km 🇨🇭 Disentis/Muster 126 km 🇨🇭 Andermatt 105 km 🇨🇭 Altdorf 121 km 🇨🇭 Bellinzona 129 km

Also from Montpellier St-Roch

🇨🇭 Sierre/Siders 415 km 🇨🇭 Zürich HB 555 km 🇨🇭 Neuchâtel 446 km 🇨🇭 Martigny 375 km 🇮🇹 Milan 471 km

Frequently Asked Questions

The estimated train journey from Montpellier St-Roch to Sion takes approximately 2h 1m. This estimate is based on a rail distance of ~520 km using a high_speed service.
The estimated rail distance from Montpellier St-Roch to Sion is approximately 520 km (400 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Montpellier St-Roch to Sion emits approximately 8.8 kg of CO2, compared to 101.6 kg by flight. Taking the train saves 92.8 kg of CO2 — a 91.3% reduction in emissions.
The route from Montpellier St-Roch 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 Montpellier St-Roch and Sion.

Train vs Flight comparison

Compare door-to-door time, CO2 and cost for Montpellier St-Roch to Sion

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Data last updated: 2026-02-27