Train from Regensburg Hbf to Ulm Hbf
🇩🇪 Regensburg Hbf → 🇩🇪 Ulm Hbf
Straight-line Distance
170 km
WSW (247.1°)
Rail Distance
~221 km
Estimated by rail
Travel Time
~57m
High_Speed
CO2 Saved vs Flight
91.3%
39.4 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
3.8 kg
Flight
Economy class
CO2 Emissions
43.2 kg
Taking the train saves 39.4 kg CO2 (91.3% less emissions)
Route Information
High-Speed
Requires Transfer
Stations on This Route
Continue Your Journey
Continue from Ulm Hbf
Also from Regensburg Hbf
Frequently Asked Questions
The estimated train journey from Regensburg Hbf to Ulm Hbf takes approximately 57m. This estimate is based on a rail distance of ~221 km using a high_speed service.
The estimated rail distance from Regensburg Hbf to Ulm Hbf is approximately 221 km (170 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Regensburg Hbf to Ulm Hbf emits approximately 3.8 kg of CO2, compared to 43.2 kg by flight. Taking the train saves 39.4 kg of CO2 — a 91.3% reduction in emissions.
The route from Regensburg Hbf to Ulm Hbf 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 Regensburg Hbf and Ulm Hbf.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Regensburg Hbf to Ulm Hbf
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Data last updated: 2026-02-27