There are 407.93 miles from Lamar to Ardmore in southeast direction and 523 miles (841.69 kilometers) by car, following the US-412 and OK 3 E route.
Lamar and Ardmore are 8 hours 46 mins far apart, if you drive non-stop .
This is the fastest route from Lamar, CO to Ardmore, OK. The halfway point is May, OK.
Please note the time difference between Lamar, CO and Ardmore, OK is 1 hour. The current time in Lamar is 5:08 am and the current time in Ardmore is 6:08 am.
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