Compare Medium Haul

Train vs Flight: Harfleur to Sierre/Siders

Q: Is train or flight faster from Harfleur to Sierre/Siders?

Flight is faster from Harfleur to Sierre/Siders, taking 3h 17m door-to-door versus 5h 58m for the train. However, the train produces 84% less CO2.

Q: What is the door-to-door travel time for train vs flight Harfleur to Sierre/Siders?

Door-to-door travel time from Harfleur to Sierre/Siders: Train takes 5h 58m total (5h 28m journey + 30 min station check-in). Flight takes 3h 17m total (47m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

🇫🇷 Harfleur → 🇨🇭 Sierre/Siders · 653 km

Verdict

Flight is faster by 2h 41m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Harfleur to Sierre/Siders, the flight is faster door-to-door, but the train is a greener alternative — saving 140 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 28m	47m
Door-to-door incl. check-in / airport	5h 58m +30 min at station	3h 17m +2h 30min at airport
CO2 emissions avg. estimate per passenger	26,8 kg	166,5 kg
Est. ticket price rough estimate only	~€52	~€78
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 139,7 kg CO2 — 84% less than flying

Train: 26,8 kg CO2 · Flight: 166,5 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

26,8 kg

Flight

166,5 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 5h 28m

Total door-to-door 5h 58m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 47m

Total door-to-door 3h 17m

Train tickets for this route

Harfleur → Sierre/Siders · full route details

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Frequently Asked Questions

Is train or flight faster from Harfleur to Sierre/Siders?

Flight is faster from Harfleur to Sierre/Siders, taking 3h 17m door-to-door versus 5h 58m for the train. However, the train produces 84% less CO2.

How much CO2 does the Harfleur–Sierre/Siders train vs flight produce?

For the Harfleur to Sierre/Siders route (653 km straight-line), the train produces approximately 26,8 kg of CO2 per passenger, while the flight produces approximately 166,5 kg. Taking the train saves 139,7 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 Harfleur to Sierre/Siders?

Door-to-door travel time from Harfleur to Sierre/Siders:

Train: 5h 58m total (5h 28m journey + 30 min station check-in)
Flight: 3h 17m total (47m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Harfleur to Sierre/Siders train worth it vs flying?

How far is Harfleur from Sierre/Siders?

The straight-line distance from Harfleur to Sierre/Siders is 653 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.