Compare Medium Haul

Train vs Flight: Rome to Sion

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

Flight is faster from Rome to Sion, taking 3h 15m door-to-door versus 5h 48m for the train. However, the train produces 84% less CO2.

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

Door-to-door travel time from Rome to Sion: Train takes 5h 48m total (5h 18m journey + 30 min station check-in). Flight takes 3h 15m total (45m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is Rome from Sion?

The straight-line distance from Rome to Sion is 632 km (632 km). The actual rail distance will be longer due to track routing.

🇮🇹 Rome → 🇨🇭 Sion · 632 km

Verdict

Flight is faster by 2h 33m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Rome to Sion, the flight is faster door-to-door, but the train is a greener alternative — saving 135 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 18m	45m
Door-to-door incl. check-in / airport	5h 48m +30 min at station	3h 15m +2h 30min at airport
CO2 emissions avg. estimate per passenger	25.9 kg	161.2 kg
Est. ticket price rough estimate only	~€51	~€76
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 135.3 kg CO2 — 84% less than flying

Train: 25.9 kg CO2 · Flight: 161.2 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

25.9 kg

Flight

161.2 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 5h 18m

Total door-to-door 5h 48m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 45m

Total door-to-door 3h 15m

Train tickets for this route

Rome → Sion · full route details

View route details →

Frequently Asked Questions

Is train or flight faster from Rome to Sion?

Flight is faster from Rome to Sion, taking 3h 15m door-to-door versus 5h 48m for the train. However, the train produces 84% less CO2.

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

For the Rome to Sion route (632 km straight-line), the train produces approximately 25.9 kg of CO2 per passenger, while the flight produces approximately 161.2 kg. Taking the train saves 135.3 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 Rome to Sion?

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

Train: 5h 48m total (5h 18m journey + 30 min station check-in)
Flight: 3h 15m total (45m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Rome to Sion train worth it vs flying?

How far is Rome from Sion?

The straight-line distance from Rome to Sion is 632 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.