Train from Massy TGV to Sion

🇫🇷 Massy TGV → 🇨🇭 Sion

Straight-line Distance

473 km

SE (124.0°)

Rail Distance

~615 km

Estimated by rail

Travel Time

~2h 22m

High_Speed

CO2 Saved vs Flight

91.3%

109.7 kg less CO2

Environmental Comparison

Train

High_Speed

CO2 Emissions 10.5 kg

Flight

Economy class

CO2 Emissions 120.2 kg

Taking the train saves 109.7 kg CO2 (91.3% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇫🇷

Origin

Massy TGV
🇨🇭

Destination

Sion

Journey Tips

Massy TGV, south of Paris near Orly Airport, is a convenient TGV Lyria stop for air passengers heading to Lausanne and the Valais. The station has RER B connections from central Paris and the airport. TGV Lyria calls here on select Paris–Sion services.

Scenic Highlight

The increasingly dramatic Alpine skyline that builds as the TGV follows the Rhône Valley south of Geneva toward Sion rewards patient travellers with a magnificent snow-capped mountain panorama.

Booking Tip

Book TGV Lyria tickets via Lyria.com or SNCF Connect; Massy TGV fares are the same as from Paris Gare de Lyon on the same service, and advance booking of 4-6 weeks is recommended.

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 Massy TGV

🇨🇭 Sierre/Siders 479 km 🇨🇭 Zürich HB 490 km 🇨🇭 Neuchâtel 398 km 🇨🇭 Martigny 465 km 🇮🇹 Milan 637 km

Frequently Asked Questions

The estimated train journey from Massy TGV to Sion takes approximately 2h 22m. This estimate is based on a rail distance of ~615 km using a high_speed service.
The estimated rail distance from Massy TGV to Sion is approximately 615 km (473 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Massy TGV to Sion emits approximately 10.5 kg of CO2, compared to 120.2 kg by flight. Taking the train saves 109.7 kg of CO2 — a 91.3% reduction in emissions.
The route from Massy TGV 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 Massy TGV and Sion.

Train vs Flight comparison

Compare door-to-door time, CO2 and cost for Massy TGV to Sion

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Data last updated: 2026-02-27