How far is Castlewood, CO from Longmont, CO?
Distance by Flight
Shortest distance between Castlewood and Longmont is 41.63 miles (67 km).
Flight distance from Castlewood, CO to Longmont, CO is 41.63 miles. Estimated flight time is 00 hours 08 minutes.
It takes 00 hours 07 minutes to travel from Castlewood to Longmont with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Castlewood, Colorado to Longmont, Colorado is: 69.14 miles (111.26 km) by car.
Driving from Castlewood to Longmont will take approximately 01 hours 10 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 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 |
Ending point in Longmont: (-105.101861,40.16721)
Estimated Travel Time Between Castlewood and Longmont
The distance between Castlewood and Longmont is 111 km if you choose to drive by road. You can go 01 hours 14 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 Longmont. The current time is 14:52:33.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 02 hours 18 minutes |
| 40 mph (64.37 km/h) | 01 hours 43 minutes |
| 50 mph (80.47 km/h) | 01 hours 22 minutes |
| 60 mph (96.56 km/h) | 01 hours 09 minutes |
| 70 mph (112.65 km/h) | 00 hours 59 minutes |
| 75 mph (120.7 km/h) | 00 hours 55 minutes |
| 80 mph (128.75 km/h) | 00 hours 51 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 9.23 liters (2.44 gallon) of gas to cover the route between Castlewood and Longmont.
The estimated cost of gas to go from Castlewood to Longmont is $8.88 (diesel $11.56).
Colorado gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.64 | $4.03 | $4.33 | $4.74 |
| Total | $8.88 | $9.83 | $10.55 | $11.56 |
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 April 19, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Castlewood and Longmont (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
