Ardmore to Round Rock: Road Trip Guide & Distance

How far is Ardmore from Round Rock?

The distance from Ardmore to Round Rock is 255.2 miles (410.7 km) as the crow flies. Round Rock is located S of Ardmore. By car, the driving distance is approximately 319 miles, taking about 6h 25min. A direct flight would take roughly 1h 1min. Both are located in United States — Ardmore in Oklahoma and Round Rock in Texas.

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.

Coordinates come from public place data for Ardmore and Round Rock. 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.