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.
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.
City in Adams County, Colorado, United States of America
|GPS Coordinates||39°52'5"N 104°58'19"W|
City in Colorado, United States of America
|GPS Coordinates||40°0'54"N 105°16'14"W|
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 19:29:02.
|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|
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 $3.66 (diesel $4.33).
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 per gallon of daily gas for calculations is $4.102 (Diesel $4.849) /gallon. Last changed prices on March 27, 2023.
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.
Driving distance from Arvada, CO to Thornton 10.76 miles (17 km)
Driving distance from Aurora, CO to Thornton 17.42 miles (28 km)
Driving distance from Broomfield, CO to Thornton 9.93 miles (16 km)
Driving distance from Castle Rock, CO to Thornton 40.04 miles (64 km)
Driving distance from Centennial, CO to Thornton 25.41 miles (41 km)
Driving distance from Colorado Springs, CO to Thornton 80.11 miles (129 km)
Driving distance from Commerce City, CO to Thornton 7.67 miles (12 km)
Driving distance from Denver, CO to Thornton 10.67 miles (17 km)
Driving distance from Grand Junction, CO to Thornton 250.34 miles (403 km)
Driving distance from Lakewood, CO to Thornton 17.15 miles (28 km)
Driving distance from Parker, CO to Thornton 34.55 miles (56 km)
Driving distance from Pueblo, CO to Thornton 123.65 miles (199 km)