There are
1,003 mi
from Texarkana, AR to Montrose, CO
That's the driving distance. It would take 19 hours 45 mins to go from Texarkana, Arkansas to Montrose, Colorado.
The flight distance (direct flight from Texarkana, AR to Montrose, CO) is 847.38 mi.
1,003 mi = 1,613.80 kms