Train from Sierre/Siders to Interlaken Ost

🇨🇭 Sierre/Siders → 🇨🇭 Interlaken Ost

Straight-line Distance

51 km

NNE (30.0°)

Rail Distance

~66 km

Estimated by rail

Travel Time

~1h

Regional

CO2 Saved vs Flight

79.0%

10.2 kg less CO2

Environmental Comparison

Train

Regional

CO2 Emissions 2.7 kg

Flight

Economy class

CO2 Emissions 12.9 kg

Taking the train saves 10.2 kg CO2 (79.0% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇨🇭

Origin

Sierre/Siders
🇨🇭

Destination

Interlaken Ost

Journey Tips

SBB connects Sierre/Siders to Interlaken Ost via Brig and the Lötschberg tunnel to Spiez, then along the Thunersee to Interlaken. Journey time is approximately 1 hour 50 minutes.

Scenic Highlight

After the Lötschberg tunnel, the train emerges at Kandersteg and descends dramatically to Spiez with Lake Thun and the Bernese Oberland peaks as a breathtaking backdrop.

Booking Tip

Swiss Travel Pass covers the full route including the BLS Lötschberg section. Book via the SBB app; seat reservations are not required but seats fill quickly in summer.

Continue Your Journey

Continue from Interlaken Ost

🇮🇹 Como San Giovanni 135 km 🇮🇹 Catania Centrale 1,182 km 🇮🇹 Cattolica-San Giovanni-Gabicce 487 km 🇮🇹 Ancona 559 km 🇮🇹 Bari Centrale 950 km

Also from Sierre/Siders

🇨🇭 Brunnen 114 km 🇮🇹 Como San Giovanni 130 km 🇨🇭 Erstfeld 104 km 🇨🇭 Flüelen 107 km 🇨🇭 Frutigen 34 km

Frequently Asked Questions

The estimated train journey from Sierre/Siders to Interlaken Ost takes approximately 1h. This estimate is based on a rail distance of ~66 km using a regional service.
The estimated rail distance from Sierre/Siders to Interlaken Ost is approximately 66 km (51 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Sierre/Siders to Interlaken Ost emits approximately 2.7 kg of CO2, compared to 12.9 kg by flight. Taking the train saves 10.2 kg of CO2 — a 79.0% reduction in emissions.
The route from Sierre/Siders to Interlaken Ost 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 Sierre/Siders and Interlaken Ost.

Train vs Flight comparison

Compare door-to-door time, CO2 and cost for Sierre/Siders to Interlaken Ost

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Data last updated: 2026-02-27