Train from Portsmouth Harbour to Mendrisio
🇬🇧 Portsmouth Harbour → 🇨🇭 Mendrisio
Straight-line Distance
924 km
ESE (122.5°)
Rail Distance
~1,201 km
Estimated by rail
Travel Time
~4h 27m
High_Speed
CO2 Saved vs Flight
91.3%
214.2 kg less CO2
Environmental Comparison
Train
High_Speed
CO2 Emissions
20.4 kg
Flight
Economy class
CO2 Emissions
234.7 kg
Taking the train saves 214.2 kg CO2 (91.3% less emissions)
Route Information
Requires Transfer
Time zone difference: 1.0 hour(s)
Stations on This Route
Continue Your Journey
Continue from Mendrisio
Also from Portsmouth Harbour
Frequently Asked Questions
The estimated train journey from Portsmouth Harbour to Mendrisio takes approximately 4h 27m. This estimate is based on a rail distance of ~1201 km using a high_speed service.
The estimated rail distance from Portsmouth Harbour to Mendrisio is approximately 1201 km (924 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Portsmouth Harbour to Mendrisio emits approximately 20.4 kg of CO2, compared to 234.7 kg by flight. Taking the train saves 214.2 kg of CO2 — a 91.3% reduction in emissions.
The route from Portsmouth Harbour to Mendrisio typically requires at least one transfer. Check operator timetables for the most direct connection available.
Check regional and national rail operator websites for services between Portsmouth Harbour and Mendrisio.
Train vs Flight comparison
Compare door-to-door time, CO2 and cost for Portsmouth Harbour to Mendrisio
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Data last updated: 2026-02-27