Compare Short Haul (<500 km)

Train vs Flight: Regensburg Hbf to Ulm Hbf

Q: Is train or flight faster from Regensburg Hbf to Ulm Hbf?

Train is faster door-to-door from Regensburg Hbf to Ulm Hbf. The train takes 1h 27m door-to-door (including 57m journey + 30 min station check-in), while flying takes 2h 42m (including 12m flight + 2.5 hours at the airport).

Q: How much CO2 does the Regensburg Hbf-Ulm Hbf train vs flight produce?

For the Regensburg Hbf to Ulm Hbf route (170 km straight-line), the train produces approximately 7,0 kg of CO2 per passenger, while the flight produces approximately 43,4 kg. Taking the train saves 36,4 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km incl. radiative forcing).

Q: What is the door-to-door travel time for train vs flight Regensburg Hbf to Ulm Hbf?

Door-to-door travel time from Regensburg Hbf to Ulm Hbf: Train takes 1h 27m total (57m journey + 30 min station check-in). Flight takes 2h 42m total (12m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: Is the Regensburg Hbf to Ulm Hbf train worth it vs flying?

For this short-haul route from Regensburg Hbf to Ulm Hbf, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Ulm Hbf, saving 36 kg of CO2 compared to flying.

Q: How far is Regensburg Hbf from Ulm Hbf?

The straight-line distance from Regensburg Hbf to Ulm Hbf is 170 km (170 km). The actual rail distance will be longer due to track routing.

🇩🇪 Regensburg Hbf → 🇩🇪 Ulm Hbf · 170 km

Verdict

Train wins door-to-door on this short route — airport overhead makes flying impractical.

For this short-haul route from Regensburg Hbf to Ulm Hbf, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Ulm Hbf, saving 36 kg of CO2 compared to flying.

Comparison

	Train ✓	Flight
Journey time	57m	12m
Door-to-door incl. check-in / airport	1h 27m +30 min at station	2h 42m +2h 30min at airport
CO2 emissions avg. estimate per passenger	7,0 kg	43,4 kg
Est. ticket price rough estimate only	~€14	~€20
City centre arrival	Central station	Airport (outside city)

* Price and CO2 figures are rough average estimates. Actual values vary by booking class, date, operator, and energy mix. Journey times are based on existing route data or standard speed assumptions.

CO2 Savings

Save 36,4 kg CO2 — 84% less than flying

Train: 7,0 kg CO2 · Flight: 43,4 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

7,0 kg

Flight

43,4 kg

Door-to-Door Breakdown

Train

Faster door-to-door

Check-in at station 30 min

Journey time 57m

Total door-to-door 1h 27m

Flight

Airport overhead 2h 30 min

Flight time 12m

Total door-to-door 2h 42m

Train tickets for this route

Regensburg Hbf → Ulm Hbf · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from Regensburg Hbf to Ulm Hbf?

Train is faster door-to-door from Regensburg Hbf to Ulm Hbf. The train takes 1h 27m door-to-door (including 57m journey + 30 min station check-in), while flying takes 2h 42m (12m flight + 2h 30min airport overhead).

How much CO2 does the Regensburg Hbf–Ulm Hbf train vs flight produce?

For the Regensburg Hbf to Ulm Hbf route (170 km straight-line), the train produces approximately 7,0 kg of CO2 per passenger, while the flight produces approximately 43,4 kg. Taking the train saves 36,4 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km including radiative forcing).

What is the door-to-door travel time for train vs flight Regensburg Hbf to Ulm Hbf?

Door-to-door travel time from Regensburg Hbf to Ulm Hbf:

Train: 1h 27m total (57m journey + 30 min station check-in)
Flight: 2h 42m total (12m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Regensburg Hbf to Ulm Hbf train worth it vs flying?

How far is Regensburg Hbf from Ulm Hbf?

The straight-line distance from Regensburg Hbf to Ulm Hbf is 170 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.