Compare Short Haul (<500 km)

Train vs Flight: Ulm Central to Sion

Q: Is train or flight faster from Ulm Central to Sion?

Train is faster door-to-door from Ulm Central to Sion. The train takes 3h 12m door-to-door (including 2h 42m journey + 30 min station check-in), while flying takes 2h 53m (including 23m flight + 2.5 hours at the airport).

Q: How much CO2 does the Ulm Central-Sion train vs flight produce?

For the Ulm Central to Sion route (312 km straight-line), the train produces approximately 12,8 kg of CO2 per passenger, while the flight produces approximately 79,6 kg. Taking the train saves 66,8 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 Ulm Central to Sion?

Door-to-door travel time from Ulm Central to Sion: Train takes 3h 12m total (2h 42m journey + 30 min station check-in). Flight takes 2h 53m total (23m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: Is the Ulm Central to Sion train worth it vs flying?

For this short-haul route from Ulm Central to Sion, 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 Sion, saving 67 kg of CO2 compared to flying.

Q: How far is Ulm Central from Sion?

The straight-line distance from Ulm Central to Sion is 312 km (312 km). The actual rail distance will be longer due to track routing.

🇩🇪 Ulm Central → 🇨🇭 Sion · 312 km

Verdict

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

For this short-haul route from Ulm Central to Sion, 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 Sion, saving 67 kg of CO2 compared to flying.

Comparison

	Train ✓	Flight
Journey time	2h 42m	23m
Door-to-door incl. check-in / airport	3h 12m +30 min at station	2h 53m +2h 30min at airport
CO2 emissions avg. estimate per passenger	12,8 kg	79,6 kg
Est. ticket price rough estimate only	~€25	~€37
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 66,8 kg CO2 — 84% less than flying

Train: 12,8 kg CO2 · Flight: 79,6 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

12,8 kg

Flight

79,6 kg

Door-to-Door Breakdown

Train

Faster door-to-door

Check-in at station 30 min

Journey time 2h 42m

Total door-to-door 3h 12m

Flight

Airport overhead 2h 30 min

Flight time 23m

Total door-to-door 2h 53m

Train tickets for this route

Ulm Central → Sion · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from Ulm Central to Sion?

Train is faster door-to-door from Ulm Central to Sion. The train takes 3h 12m door-to-door (including 2h 42m journey + 30 min station check-in), while flying takes 2h 53m (23m flight + 2h 30min airport overhead).

How much CO2 does the Ulm Central–Sion train vs flight produce?

For the Ulm Central to Sion route (312 km straight-line), the train produces approximately 12,8 kg of CO2 per passenger, while the flight produces approximately 79,6 kg. Taking the train saves 66,8 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 Ulm Central to Sion?

Door-to-door travel time from Ulm Central to Sion:

Train: 3h 12m total (2h 42m journey + 30 min station check-in)
Flight: 2h 53m total (23m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Ulm Central to Sion train worth it vs flying?

How far is Ulm Central from Sion?

The straight-line distance from Ulm Central to Sion is 312 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.