Compare Medium Haul

Train vs Flight: Carhaix to Sion

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

Flight is faster from Carhaix to Sion, taking 3h 31m door-to-door versus 7h 36m for the train. However, the train produces 84% less CO2.

Q: What is the door-to-door travel time for train vs flight Carhaix to Sion?

Door-to-door travel time from Carhaix to Sion: Train takes 7h 36m total (7h 6m journey + 30 min station check-in). Flight takes 3h 31m total (1h 1m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is Carhaix from Sion?

The straight-line distance from Carhaix to Sion is 854 km (854 km). The actual rail distance will be longer due to track routing.

🇫🇷 Carhaix → 🇨🇭 Sion · 854 km

Verdict

Flight is faster by 4h 5m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Carhaix to Sion, the flight is faster door-to-door, but the train is a greener alternative — saving 183 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	7h 6m	1h 1m
Door-to-door incl. check-in / airport	7h 36m +30 min at station	3h 31m +2h 30min at airport
CO2 emissions avg. estimate per passenger	35,0 kg	217,8 kg
Est. ticket price rough estimate only	~€68	~€102
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 182,8 kg CO2 — 84% less than flying

Train: 35,0 kg CO2 · Flight: 217,8 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

35,0 kg

Flight

217,8 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 7h 6m

Total door-to-door 7h 36m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 1h 1m

Total door-to-door 3h 31m

Train tickets for this route

Carhaix → Sion · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from Carhaix to Sion?

Flight is faster from Carhaix to Sion, taking 3h 31m door-to-door versus 7h 36m for the train. However, the train produces 84% less CO2.

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

For the Carhaix to Sion route (854 km straight-line), the train produces approximately 35,0 kg of CO2 per passenger, while the flight produces approximately 217,8 kg. Taking the train saves 182,8 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 Carhaix to Sion?

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

Train: 7h 36m total (7h 6m journey + 30 min station check-in)
Flight: 3h 31m total (1h 1m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Carhaix to Sion train worth it vs flying?

How far is Carhaix from Sion?

The straight-line distance from Carhaix to Sion is 854 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.