How far is Thornton, CO from Boulder, CO?

Distance by Flight

Shortest distance between Thornton and Boulder is 18.8 miles (30.25 km).

Flight distance from Thornton, CO to Boulder, CO is 18.8 miles. Estimated flight time is 00 hours 03 minutes.

Driving distance

The driving distance from Thornton, Colorado to Boulder, Colorado is: 25.28 miles (40.68 km) by car.

Driving from Thornton to Boulder will take approximately 00 hours 31 minutes.

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#1 Thornton

The seventh most populous city in Colorado. It is located in the northeastern part of the state. Thornton is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Thornton Historical Society and the Thornton Town Center.

Population 148113
GPS Coordinates 39°52'5"N 104°58'19"W
Latitude 39.8680400
Longitude -104.9719200
Altitude 1631
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 Thornton and Boulder

The distance between Thornton and Boulder is 41 km if you choose to drive by road. You can go 00 hours 27 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 Thornton and Boulder. The current time is 11:38:09.

Average Speed Travel Time
30 mph (48.3 km/h) 00 hours 50 minutes
40 mph (64.37 km/h) 00 hours 37 minutes
50 mph (80.47 km/h) 00 hours 30 minutes
60 mph (96.56 km/h) 00 hours 25 minutes
70 mph (112.65 km/h) 00 hours 21 minutes
75 mph (120.7 km/h) 00 hours 20 minutes
80 mph (128.75 km/h) 00 hours 18 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 3.38 liters (0.89 gallon) of gas to cover the route between Thornton and Boulder.
The estimated cost of gas to go from Thornton to Boulder is $3.25 (diesel $4.23).

Colorado gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.64 $4.03 $4.33 $4.74
Total $3.25 $3.6 $3.86 $4.23

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 March 28, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Thornton 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 Thornton 10.76 miles (17 km)

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Driving distance from Aurora, CO to Thornton 17.42 miles (28 km)

Driving distance from Broomfield, CO to Thornton 9.93 miles (16 km)

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Driving distance from Castle Rock, CO to Thornton 40.04 miles (64 km)

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Driving distance from Centennial, CO to Thornton 25.41 miles (41 km)

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Driving distance from Colorado Springs, CO to Thornton 80.11 miles (129 km)

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Driving distance from Commerce City, CO to Thornton 7.67 miles (12 km)

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Driving distance from Denver, CO to Thornton 10.67 miles (17 km)

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Driving distance from Grand Junction, CO to Thornton 250.34 miles (403 km)

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Driving distance from Lakewood, CO to Thornton 17.15 miles (28 km)

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Driving distance from Parker, CO to Thornton 34.55 miles (56 km)

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Driving distance from Pueblo, CO to Thornton 123.65 miles (199 km)

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