Allentown to St. Thomas: Road Trip Guide & Distance

How far is Allentown from St. Thomas?

The distance from Allentown to St. Thomas is 329.4 miles (530.1 km) as the crow flies. St. Thomas is located WNW of Allentown. By car, the driving distance is approximately 395.3 miles, taking about 7h 57min. A direct flight would take roughly 1h 10min. Allentown is in Pennsylvania, United States, while St. Thomas is in Ontario, Canada.

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 Allentown and St. Thomas. 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.