Allentown to Delaware: Road Trip Guide & Distance

How far is Allentown from Delaware?

The distance from Allentown to Delaware is 398.9 miles (641.9 km) as the crow flies. Delaware is located W of Allentown. By car, the driving distance is approximately 478.6 miles, taking about 9h 38min. A direct flight would take roughly 1h 18min. Both are located in United States — Allentown in Pennsylvania and Delaware in Ohio.

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.

Coordinates come from public place data for Allentown and Delaware. 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.