Compare Medium Haul

Train vs Flight: 凱爾 to 乌尔姆

Q: Is train or flight faster from 凱爾 to 乌尔姆?

Flight is faster from 凱爾 to 乌尔姆, taking 3h 17m door-to-door versus 3h 43m for the train. However, the train produces 84% less CO2.

Q: What is the door-to-door travel time for train vs flight 凱爾 to 乌尔姆?

Door-to-door travel time from 凱爾 to 乌尔姆: Train takes 3h 43m total (3h 13m journey + 30 min station check-in). Flight takes 3h 17m total (47m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is 凱爾 from 乌尔姆?

The straight-line distance from 凱爾 to 乌尔姆 is 658 km (658 km). The actual rail distance will be longer due to track routing.

🇩🇪 凱爾 → 🇩🇪 乌尔姆 · 658 km

Verdict

Flight is faster by 26m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from 凱爾 to 乌尔姆, the flight is faster door-to-door, but the train is a greener alternative — saving 141 kg of CO2 per passenger. If your schedule allows extra travel time, the train offers a comfortable, eco-friendly journey.

Comparison

	Train	Flight ✓
Journey time	3h 13m	47m
Door-to-door incl. check-in / airport	3h 43m +30 min at station	3h 17m +2h 30min at airport
CO2 emissions avg. estimate per passenger	27.0 kg	167.8 kg
Est. ticket price rough estimate only	~€53	~€79
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 140.8 kg CO2 — 84% less than flying

Train: 27.0 kg CO2 · Flight: 167.8 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

27.0 kg

Flight

167.8 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 3h 13m

Total door-to-door 3h 43m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 47m

Total door-to-door 3h 17m

Train tickets for this route

凱爾 → 乌尔姆 · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from 凱爾 to 乌尔姆?

Flight is faster from 凱爾 to 乌尔姆, taking 3h 17m door-to-door versus 3h 43m for the train. However, the train produces 84% less CO2.

How much CO2 does the 凱爾–乌尔姆 train vs flight produce?

For the 凱爾 to 乌尔姆 route (658 km straight-line), the train produces approximately 27.0 kg of CO2 per passenger, while the flight produces approximately 167.8 kg. Taking the train saves 140.8 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 凱爾 to 乌尔姆?

Door-to-door travel time from 凱爾 to 乌尔姆:

Train: 3h 43m total (3h 13m journey + 30 min station check-in)
Flight: 3h 17m total (47m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the 凱爾 to 乌尔姆 train worth it vs flying?

How far is 凱爾 from 乌尔姆?

The straight-line distance from 凱爾 to 乌尔姆 is 658 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.