Train from Romilly-sur-Seine to Sion
🇫🇷 Romilly-sur-Seine → 🇨🇭 Sion
Straight-line Distance
373 km
SE (131.6°)
Rail Distance
~485 km
Estimated by rail
Travel Time
~1h 54m
High_Speed
CO2 Saved vs Flight
91.3%
86.5 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
8.2 kg
Flight
Economy class
CO2 Emissions
94.8 kg
Taking the train saves 86.5 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Sion
Also from Romilly-sur-Seine
Frequently Asked Questions
The estimated train journey from Romilly-sur-Seine to Sion takes approximately 1h 54m. This estimate is based on a rail distance of ~485 km using a high_speed service.
The estimated rail distance from Romilly-sur-Seine to Sion is approximately 485 km (373 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Romilly-sur-Seine to Sion emits approximately 8.2 kg of CO2, compared to 94.8 kg by flight. Taking the train saves 86.5 kg of CO2 — a 91.3% reduction in emissions.
The route from Romilly-sur-Seine 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 Romilly-sur-Seine and Sion.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Romilly-sur-Seine to Sion
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Data last updated: 2026-02-27