Train from Ulm Hbf to Sion

🇩🇪 Ulm Hbf → 🇨🇭 Sion

Straight-line Distance

312 km

SW (220.3°)

Rail Distance

~406 km

Estimated by rail

Travel Time

~1h 37m

High_Speed

CO2 Saved vs Flight

91.3%

72.4 kg less CO2

Environmental Comparison

Train

High_Speed

CO2 Emissions 6.9 kg

Flight

Economy class

CO2 Emissions 79.3 kg

Taking the train saves 72.4 kg CO2 (91.3% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇩🇪

Origin

Ulm Hbf
🇨🇭

Destination

Sion

Journey Tips

DB ICE or intercity trains from Ulm connect to SBB services into the Valais, with a change in Zurich. The route crosses from Baden-Württemberg into Switzerland before heading south through the Mittelland. Allow around four hours and carry a valid passport or EU ID.

Scenic Highlight

The approach into Zurich across the Swiss Plateau, with Lake Zurich glimmering in the distance and the Alps rising behind, is one of the most picturesque entrances to Switzerland's largest city.

Booking Tip

Book the DB segment via bahn.de and SBB connections via sbb.ch; a DB-SBB through-ticket is often available and simplifies journey planning across the border.

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 Ulm Hbf

🇨🇭 Sierre/Siders 298 km 🇮🇹 Milan 329 km 🇨🇭 Aigle 324 km 🇨🇭 Altdorf 197 km 🇨🇭 Andermatt 222 km

Frequently Asked Questions

The estimated train journey from Ulm Hbf to Sion takes approximately 1h 37m. This estimate is based on a rail distance of ~406 km using a high_speed service.
The estimated rail distance from Ulm Hbf to Sion is approximately 406 km (312 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Ulm Hbf to Sion emits approximately 6.9 kg of CO2, compared to 79.3 kg by flight. Taking the train saves 72.4 kg of CO2 — a 91.3% reduction in emissions.
The route from Ulm 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 Ulm Hbf and Sion.

Train vs Flight comparison

Compare door-to-door time, CO2 and cost for Ulm Hbf to Sion

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Data last updated: 2026-02-27