Dublin, Ireland to Portsmouth, United Kingdom: Road Trip Guide & Distance

How far is Dublin, Ireland from Portsmouth, United Kingdom?

The distance from Dublin, Ireland to Portsmouth, United Kingdom is 281.4 miles (452.9 km) as the crow flies. Portsmouth, United Kingdom is located SE of Dublin, Ireland. By car, the driving distance is approximately 351.8 miles, taking about 7h 5min. A direct flight would take roughly 1h 4min. Dublin, Ireland is in Ireland, while Portsmouth, United Kingdom is in United Kingdom.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. 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 Dublin, Ireland 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.