Distance Calculator

Distance from Longmont to Castle Rock

Distance between Longmont and Castle Rock is 91 kilometers (56 miles).
Driving distance from Longmont to Castle Rock is 106 kilometers (66 miles).

air 91 km
air 56 miles
car 106 km
car 66 miles

Distance Map Between Longmont and Castle Rock

Longmont, Denver, United StatesCastle Rock, Denver, United States = 56 miles = 91 km.

How far is it between Longmont and Castle Rock

Longmont is located in United States with (40.1672,-105.1019) coordinates and Castle Rock is located in United States with (39.3722,-104.8561) coordinates. The calculated flying distance from Longmont to Castle Rock is equal to 56 miles which is equal to 91 km.

If you want to go by car, the driving distance between Longmont and Castle Rock is 106.19 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 00 hours 56 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 15 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Longmont 40.1672, -105.1019 40° 10´ 1.9560'' N
105° 6´ 6.9480'' W
Castle Rock 39.3722, -104.8561 39° 22´ 19.9560'' N
104° 51´ 21.9240'' W

Estimated Travel Time Between Longmont and Castle Rock

Average SpeedTravel Time
30 mph (48 km/h) 02 hours 12 minutes
40 mph (64 km/h) 01 hours 39 minutes
50 mph (80 km/h) 01 hours 19 minutes
60 mph (97 km/h) 01 hours 05 minutes
70 mph (112 km/h) 00 hours 56 minutes
75 mph (120 km/h) 00 hours 53 minutes
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