Compare Medium Haul

Train vs Flight: Barselona to Sion

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

Flight is faster from Barselona to Sion, taking 3h 19m door-to-door versus 6h 13m for the train. However, the train produces 84% less CO2.

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

Door-to-door travel time from Barselona to Sion: Train takes 6h 13m total (5h 43m journey + 30 min station check-in). Flight takes 3h 19m total (49m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is Barselona from Sion?

The straight-line distance from Barselona to Sion is 682 km (682 km). The actual rail distance will be longer due to track routing.

🇪🇸 Barselona → 🇨🇭 Sion · 682 km

Verdict

Flight is faster by 2h 54m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Barselona to Sion, the flight is faster door-to-door, but the train is a greener alternative — saving 146 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	5h 43m	49m
Door-to-door incl. check-in / airport	6h 13m +30 min at station	3h 19m +2h 30min at airport
CO2 emissions avg. estimate per passenger	28,0 kg	173,9 kg
Est. ticket price rough estimate only	~€55	~€82
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 145,9 kg CO2 — 84% less than flying

Train: 28,0 kg CO2 · Flight: 173,9 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

28,0 kg

Flight

173,9 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 5h 43m

Total door-to-door 6h 13m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 49m

Total door-to-door 3h 19m

Train tickets for this route

Barselona → Sion · full route details

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Frequently Asked Questions

Is train or flight faster from Barselona to Sion?

Flight is faster from Barselona to Sion, taking 3h 19m door-to-door versus 6h 13m for the train. However, the train produces 84% less CO2.

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

For the Barselona to Sion route (682 km straight-line), the train produces approximately 28,0 kg of CO2 per passenger, while the flight produces approximately 173,9 kg. Taking the train saves 145,9 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 Barselona to Sion?

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

Train: 6h 13m total (5h 43m journey + 30 min station check-in)
Flight: 3h 19m total (49m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Barselona to Sion train worth it vs flying?

How far is Barselona from Sion?

The straight-line distance from Barselona to Sion is 682 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.