Train from Sion to Locarno

🇨🇭 Sion → 🇨🇭 Locarno

Straight-line Distance

111 km

E (92.6°)

Rail Distance

~144 km

Estimated by rail

Travel Time

~1h 4m

Express

CO2 Saved vs Flight

82.6%

23.2 kg less CO2

Environmental Comparison

Train

Express

CO2 Emissions 4.9 kg

Flight

Economy class

CO2 Emissions 28.1 kg

Taking the train saves 23.2 kg CO2 (82.6% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇨🇭

Origin

Sion
🇨🇭

Destination

Locarno

Journey Tips

SBB trains connect Sion and Locarno on Lago Maggiore via Bellinzona, crossing the Lepontine Alps into Mediterranean-influenced Ticino. Locarno is famous for its international film festival and the palm-lined Piazza Grande. Swiss Travel Pass is valid throughout this scenic journey.

Scenic Highlight

The descent into Ticino from the alpine heights reveals a sudden transformation to a palm-tree and camellia-scented Mediterranean microclimate, with Lago Maggiore shimmering ahead surrounded by chestnut-forested hills.

Booking Tip

Book via sbb.ch; Swiss Travel Pass covers this route and includes the scenic Centovalli Railway from Locarno to Domodossola if you wish to extend the journey into Italy.

Continue Your Journey

Continue from Locarno

🇨🇭 Andermatt 54 km 🇨🇭 Disentis/Muster 59 km 🇨🇭 Konolfingen 120 km 🇨🇭 Frutigen 100 km 🇮🇹 Como San Giovanni 46 km

Also from Sion

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

Frequently Asked Questions

The estimated train journey from Sion to Locarno takes approximately 1h 4m. This estimate is based on a rail distance of ~144 km using a express service.
The estimated rail distance from Sion to Locarno is approximately 144 km (111 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Sion to Locarno emits approximately 4.9 kg of CO2, compared to 28.1 kg by flight. Taking the train saves 23.2 kg of CO2 — a 82.6% reduction in emissions.
The route from Sion to Locarno 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 Sion and Locarno.

Train vs Flight comparison

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Data last updated: 2026-02-27