There are
819 mi
from Lawton, OK to Dubuque, IA
That's the driving distance. It would take 14 hours 45 mins to go from Lawton, Oklahoma to Dubuque, Iowa.
The flight distance (direct flight from Lawton, OK to Dubuque, IA) is 686.53 mi.
819 mi = 1,317.84 kms