There are 401.76 miles from Lamar to Ada in southeast direction and 509 miles (819.16 kilometers) by car, following the US-412 and OK 3 E route.
Lamar and Ada are 8 hours 29 mins far apart, if you drive non-stop .
This is the fastest route from Lamar, CO to Ada, OK. The halfway point is Penalosa, KS.
Please note the time difference between Lamar, CO and Ada, OK is 1 hour. The current time in Lamar is 10:11 pm and the current time in Ada is 11:11 pm.
Any questions or tips to share?
Share with fellow travellers any question or tips about the route from Lamar, CO to Ada, OK: