Compare Short Haul (<500 km)

Train vs Flight: Obernai to Sion

Q: Is train or flight faster from Obernai to Sion?

Train is faster door-to-door from Obernai to Sion. The train takes 2h 42m door-to-door (including 2h 12m journey + 30 min station check-in), while flying takes 2h 48m (including 18m flight + 2.5 hours at the airport).

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

For the Obernai to Sion route (249 km straight-line), the train produces approximately 10.2 kg of CO2 per passenger, while the flight produces approximately 63.5 kg. Taking the train saves 53.3 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 Obernai to Sion?

Door-to-door travel time from Obernai to Sion: Train takes 2h 42m total (2h 12m journey + 30 min station check-in). Flight takes 2h 48m total (18m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

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

For this short-haul route from Obernai 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 53 kg of CO2 compared to flying.

Q: How far is Obernai from Sion?

The straight-line distance from Obernai to Sion is 249 km (249 km). The actual rail distance will be longer due to track routing.

🇫🇷 Obernai → 🇨🇭 Sion · 249 km

Verdict

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

For this short-haul route from Obernai 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 53 kg of CO2 compared to flying.

Comparison

	Train ✓	Flight
Journey time	2h 12m	18m
Door-to-door incl. check-in / airport	2h 42m +30 min at station	2h 48m +2h 30min at airport
CO2 emissions avg. estimate per passenger	10.2 kg	63.5 kg
Est. ticket price rough estimate only	~€20	~€30
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 53.3 kg CO2 — 84% less than flying

Train: 10.2 kg CO2 · Flight: 63.5 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

10.2 kg

Flight

63.5 kg

Door-to-Door Breakdown

Train

Faster door-to-door

Check-in at station 30 min

Journey time 2h 12m

Total door-to-door 2h 42m

Flight

Airport overhead 2h 30 min

Flight time 18m

Total door-to-door 2h 48m

Train tickets for this route

Obernai → Sion · full route details

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Frequently Asked Questions

Is train or flight faster from Obernai to Sion?

Train is faster door-to-door from Obernai to Sion. The train takes 2h 42m door-to-door (including 2h 12m journey + 30 min station check-in), while flying takes 2h 48m (18m flight + 2h 30min airport overhead).

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

For the Obernai to Sion route (249 km straight-line), the train produces approximately 10.2 kg of CO2 per passenger, while the flight produces approximately 63.5 kg. Taking the train saves 53.3 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 Obernai to Sion?

Door-to-door travel time from Obernai to Sion:

Train: 2h 42m total (2h 12m journey + 30 min station check-in)
Flight: 2h 48m total (18m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Obernai to Sion train worth it vs flying?

How far is Obernai from Sion?

The straight-line distance from Obernai to Sion is 249 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.