How far is Castlewood, CO from Boulder, CO?
Distance by Flight
Shortest distance between Castlewood and Boulder is 35.62 miles (57.32 km).
Flight distance from Castlewood, CO to Boulder, CO is 35.62 miles. Estimated flight time is 00 hours 05 minutes.
Driving distance
The driving distance from Castlewood, Colorado to Boulder, Colorado is: 42.97 miles (69.15 km) by car.
Driving from Castlewood to Boulder will take approximately 00 hours 54 minutes.
#1 Castlewood
City in Hamlin County, South Dakota, United States
| Population | 25271 |
|---|---|
| GPS Coordinates | 39°35'5"N 104°54'4"W |
| Latitude | 39.5847100 |
| Longitude | -104.9010900 |
| Altitude | 1746 |
| Country | United States |
#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 |
Ending point in Boulder: (-105.27055,40.014996)
Estimated Travel Time Between Castlewood and Boulder
The distance between Castlewood and Boulder is 69 km if you choose to drive by road. You can go 00 hours 46 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 Castlewood and Boulder. The current time is 01:40:23.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 25 minutes |
| 40 mph (64.37 km/h) | 01 hours 04 minutes |
| 50 mph (80.47 km/h) | 00 hours 51 minutes |
| 60 mph (96.56 km/h) | 00 hours 42 minutes |
| 70 mph (112.65 km/h) | 00 hours 36 minutes |
| 75 mph (120.7 km/h) | 00 hours 34 minutes |
| 80 mph (128.75 km/h) | 00 hours 32 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 5.74 liters (1.52 gallon) of gas to cover the route between Castlewood and Boulder.
The estimated cost of gas to go from Castlewood to Boulder is $5.52 (diesel $7.18).
Colorado gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.64 | $4.03 | $4.33 | $4.74 |
| Total | $5.52 | $6.11 | $6.56 | $7.18 |
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 December 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Castlewood and Boulder (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
