There are 490.92 miles from Lamar to Arkoma in southeast direction and 600 miles (965.61 kilometers) by car, following the US-400 E route.
Lamar and Arkoma are 9 hours 21 mins far apart, if you drive non-stop .
This is the fastest route from Lamar, CO to Arkoma, OK. The halfway point is Garden Plain, KS.
Please note the time difference between Lamar, CO and Arkoma, OK is 1 hour. The current time in Lamar is 6:29 am and the current time in Arkoma is 7:29 am.
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