Compare Medium Haul

Train vs Flight: Portsmouth Harbour to Mendrisio

🇬🇧 Portsmouth Harbour → 🇨🇭 Mendrisio · 924 km

Verdict

Flight is faster by 4h 34m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Portsmouth Harbour to Mendrisio, the flight is faster door-to-door, but the train is a greener alternative — saving 198 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	7h 40m	1h 6m
Door-to-door incl. check-in / airport	8h 10m +30 min at station	3h 36m +2h 30min at airport
CO2 emissions avg. estimate per passenger	37,9 kg	235,6 kg
Est. ticket price rough estimate only	~€74	~€111
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 197,7 kg CO2 — 84% less than flying

Train: 37,9 kg CO2 · Flight: 235,6 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

37,9 kg

Flight

235,6 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 7h 40m

Total door-to-door 8h 10m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 1h 6m

Total door-to-door 3h 36m

Train tickets for this route

Portsmouth Harbour → Mendrisio · full route details

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Frequently Asked Questions

Is train or flight faster from Portsmouth Harbour to Mendrisio?

Flight is faster from Portsmouth Harbour to Mendrisio, taking 3h 36m door-to-door versus 8h 10m for the train. However, the train produces 84% less CO2.

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

For the Portsmouth Harbour to Mendrisio route (924 km straight-line), the train produces approximately 37,9 kg of CO2 per passenger, while the flight produces approximately 235,6 kg. Taking the train saves 197,7 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 Portsmouth Harbour to Mendrisio?

Door-to-door travel time from Portsmouth Harbour to Mendrisio:

Train: 8h 10m total (7h 40m journey + 30 min station check-in)
Flight: 3h 36m total (1h 6m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Portsmouth Harbour to Mendrisio train worth it vs flying?

How far is Portsmouth Harbour from Mendrisio?

The straight-line distance from Portsmouth Harbour to Mendrisio is 924 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.