Compare Medium Haul

Train vs Flight: Rom to Sierre/Siders

🇮🇹 Rom → 🇨🇭 Sierre/Siders · 629 km

Verdict

Flight is faster by 2h 32m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Rom to Sierre/Siders, 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 17m 45m
Door-to-door

incl. check-in / airport

5h 47m

+30 min at station

3h 15m

+2h 30min at airport

CO2 emissions

avg. estimate per passenger

25,8 kg 160,4 kg
Est. ticket price

rough estimate only

~€50 ~€75
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 134,6 kg CO2 — 84% less than flying

Train: 25,8 kg CO2 · Flight: 160,4 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train
25,8 kg
Flight
160,4 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min
Journey time 5h 17m
Total door-to-door 5h 47m

Flight

Faster door-to-door
Airport overhead 2h 30 min
Flight time 45m
Total door-to-door 3h 15m

Train tickets for this route

Rom → Sierre/Siders · full route details

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Frequently Asked Questions

Is train or flight faster from Rom to Sierre/Siders?
Flight is faster from Rom to Sierre/Siders, taking 3h 15m door-to-door versus 5h 47m for the train. However, the train produces 84% less CO2.
How much CO2 does the Rom–Sierre/Siders train vs flight produce?
For the Rom to Sierre/Siders route (629 km straight-line), the train produces approximately 25,8 kg of CO2 per passenger, while the flight produces approximately 160,4 kg. Taking the train saves 134,6 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 Rom to Sierre/Siders?
Door-to-door travel time from Rom to Sierre/Siders:
  • Train: 5h 47m total (5h 17m 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 Rom to Sierre/Siders train worth it vs flying?
On this medium-haul route from Rom to Sierre/Siders, 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.
How far is Rom from Sierre/Siders?
The straight-line distance from Rom to Sierre/Siders is 629 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.

Stations

Other routes from Rom

Daten zuletzt aktualisiert: 2026-02-27