Compare Medium Haul

Train vs Flight: Portsmouth Harbour to Renens VD

🇬🇧 Portsmouth Harbour → 🇨🇭 Renens VD · 736 km

Verdict

Flight is faster by 3h 17m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Portsmouth Harbour to Renens VD, the flight is faster door-to-door, but the train is a greener alternative — saving 158 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	6h 9m	52m
Door-to-door incl. check-in / airport	6h 39m +30 min at station	3h 22m +2h 30min at airport
CO2 emissions avg. estimate per passenger	30,2 kg	187,7 kg
Est. ticket price rough estimate only	~€59	~€88
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 157,5 kg CO2 — 84% less than flying

Train: 30,2 kg CO2 · Flight: 187,7 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

30,2 kg

Flight

187,7 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 6h 9m

Total door-to-door 6h 39m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 52m

Total door-to-door 3h 22m

Train tickets for this route

Portsmouth Harbour → Renens VD · full route details

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Frequently Asked Questions

Is train or flight faster from Portsmouth Harbour to Renens VD?

Flight is faster from Portsmouth Harbour to Renens VD, taking 3h 22m door-to-door versus 6h 39m for the train. However, the train produces 84% less CO2.

How much CO2 does the Portsmouth Harbour–Renens VD train vs flight produce?

For the Portsmouth Harbour to Renens VD route (736 km straight-line), the train produces approximately 30,2 kg of CO2 per passenger, while the flight produces approximately 187,7 kg. Taking the train saves 157,5 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 Portsmouth Harbour to Renens VD?

Door-to-door travel time from Portsmouth Harbour to Renens VD:

Train: 6h 39m total (6h 9m journey + 30 min station check-in)
Flight: 3h 22m total (52m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Portsmouth Harbour to Renens VD train worth it vs flying?

How far is Portsmouth Harbour from Renens VD?

The straight-line distance from Portsmouth Harbour to Renens VD is 736 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.