Interlaken to Portsmouth, United Kingdom: Road Trip Guide & Distance

How far is Interlaken from Portsmouth, United Kingdom?

The distance from Interlaken to Portsmouth, United Kingdom is 496.7 miles (799.3 km) as the crow flies. Portsmouth, United Kingdom is located NW of Interlaken. By car, the driving distance is approximately 596 miles, taking about 11h 59min. A direct flight would take roughly 1h 30min. Interlaken is in Switzerland, while Portsmouth, United Kingdom is in United Kingdom.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements.

Coordinates come from public place data for Interlaken and Portsmouth, United Kingdom. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.