Compare Medium Haul

Train vs Flight: ケルン to シオン

Q: Is train or flight faster from ケルン to シオン?

Flight is faster from ケルン to シオン, taking 3h 8m door-to-door versus 4h 56m for the train. However, the train produces 84% less CO2.

Q: What is the door-to-door travel time for train vs flight ケルン to シオン?

Door-to-door travel time from ケルン to シオン: Train takes 4h 56m total (4h 26m journey + 30 min station check-in). Flight takes 3h 8m total (38m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is ケルン from シオン?

The straight-line distance from ケルン to シオン is 525 km (525 km). The actual rail distance will be longer due to track routing.

🇩🇪 ケルン → 🇨🇭 シオン · 525 km

Verdict

Flight is faster by 1h 48m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from ケルン to シオン, the flight is faster door-to-door, but the train is a greener alternative — saving 112 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	4h 26m	38m
Door-to-door incl. check-in / airport	4h 56m +30 min at station	3h 8m +2h 30min at airport
CO2 emissions avg. estimate per passenger	21.5 kg	133.9 kg
Est. ticket price rough estimate only	~€42	~€63
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 112.4 kg CO2 — 84% less than flying

Train: 21.5 kg CO2 · Flight: 133.9 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

21.5 kg

Flight

133.9 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 4h 26m

Total door-to-door 4h 56m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 38m

Total door-to-door 3h 8m

Train tickets for this route

ケルン → シオン · full route details

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Frequently Asked Questions

Is train or flight faster from ケルン to シオン?

Flight is faster from ケルン to シオン, taking 3h 8m door-to-door versus 4h 56m for the train. However, the train produces 84% less CO2.

How much CO2 does the ケルン–シオン train vs flight produce?

For the ケルン to シオン route (525 km straight-line), the train produces approximately 21.5 kg of CO2 per passenger, while the flight produces approximately 133.9 kg. Taking the train saves 112.4 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 ケルン to シオン?

Door-to-door travel time from ケルン to シオン:

Train: 4h 56m total (4h 26m journey + 30 min station check-in)
Flight: 3h 8m total (38m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the ケルン to シオン train worth it vs flying?

How far is ケルン from シオン?

The straight-line distance from ケルン to シオン is 525 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.