How far is Longmont, CO from Boulder, CO?

Distance by Flight

Shortest distance between Longmont and Boulder is 13.79 miles (22.19 km).

Flight distance from Longmont, CO to Boulder, CO is 13.79 miles. Estimated flight time is 00 hours 01 minutes.

Driving distance

The driving distance from Longmont, Colorado to Boulder, Colorado is: 15.62 miles (25.13 km) by car.

Driving from Longmont to Boulder will take approximately 00 hours 24 minutes.

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#1 Longmont

The most populous city in Boulder County, Colorado. It is located in the northern part of the county. Longmont is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Longmont Museum and the Longmont Civic Center.

Population 98445
GPS Coordinates 40°10'2"N 105°6'7"W
Latitude 40.1672100
Longitude -105.1019300
Altitude 1519
Country United States
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#2 Boulder

The most populous city in Boulder County, Colorado. It is located in the foothills of the Rocky Mountains. Boulder is known for its many colleges and universities, its many parks and green spaces, and its many attractions, such as the University of Colorado Boulder and the Boulder Creek Path.

Population 107645
GPS Coordinates 40°0'54"N 105°16'14"W
Latitude 40.0149900
Longitude -105.2705500
Altitude 1624
Country United States

Estimated Travel Time Between Longmont and Boulder

The distance between Longmont and Boulder is 25 km if you choose to drive by road. You can go 00 hours 16 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Longmont and Boulder. The current time is 02:51:07.

Average Speed Travel Time
30 mph (48.3 km/h) 00 hours 31 minutes
40 mph (64.37 km/h) 00 hours 23 minutes
50 mph (80.47 km/h) 00 hours 18 minutes
60 mph (96.56 km/h) 00 hours 15 minutes
70 mph (112.65 km/h) 00 hours 13 minutes
75 mph (120.7 km/h) 00 hours 12 minutes
80 mph (128.75 km/h) 00 hours 11 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 2.09 liters (0.55 gallon) of gas to cover the route between Longmont and Boulder.
The estimated cost of gas to go from Longmont to Boulder is $2.01 (diesel $2.61).

Colorado gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.64 $4.03 $4.33 $4.74
Total $2.01 $2.22 $2.38 $2.61

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price (in Colorado ) per gallon of daily gas for calculations is $3.640 (Diesel $4.737) /gallon. Last changed prices on October 04, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Longmont and Boulder (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from Arvada, CO to Longmont 36.73 miles (59 km)

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Driving distance from Aurora, CO to Longmont 49.54 miles (80 km)

Driving distance from Broomfield, CO to Longmont 17.7 miles (28 km)

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Driving distance from Castle Rock, CO to Longmont 79.12 miles (127 km)

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Driving distance from Centennial, CO to Longmont 51.37 miles (83 km)

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Driving distance from Colorado Springs, CO to Longmont 119.19 miles (192 km)

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Driving distance from Commerce City, CO to Longmont 34.34 miles (55 km)

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Driving distance from Denver, CO to Longmont 36.64 miles (59 km)

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Driving distance from Grand Junction, CO to Longmont 276.31 miles (445 km)

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Driving distance from Lakewood, CO to Longmont 43.12 miles (69 km)

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Driving distance from Parker, CO to Longmont 63.29 miles (102 km)

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Driving distance from Pueblo, CO to Longmont 162.73 miles (262 km)

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