How far is Fort Thompson, SD from Spearfish, SD?
Distance by Flight
Shortest distance between Fort Thompson and Spearfish is 220.63 miles (355.06 km).
Flight distance from Fort Thompson, SD to Spearfish, SD is 220.63 miles. Estimated flight time is 00 hours 31 minutes.
It takes 00 hours 28 minutes to travel from Fort Thompson to Spearfish with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Fort Thompson, South Dakota to Spearfish, South Dakota is: 257.34 miles (414.14 km) by car.
Driving from Fort Thompson to Spearfish will take approximately 03 hours 47 minutes.
#1 Fort Thompson
Census-designated place in Buffalo County, South Dakota, United States
| Population | 1282 |
|---|---|
| GPS Coordinates | 44°4'7"N 99°26'16"W |
| Latitude | 44.0686000 |
| Longitude | -99.4378800 |
| Altitude | 439 |
| Country | United States |
#2 Spearfish
City in Lawrence County, South Dakota, United States
| Population | 11900 |
|---|---|
| GPS Coordinates | 44°29'27"N 103°51'34"W |
| Latitude | 44.4908200 |
| Longitude | -103.8593700 |
| Altitude | 1112 |
| Country | United States |
Ending point in Spearfish: North Main Street (-103.859186,44.490846)
Estimated Travel Time Between Fort Thompson and Spearfish
The distance between Fort Thompson and Spearfish is 414 km if you choose to drive by road. You can go 04 hours 36 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.
Please keep in mind that there is a 1 hour time gap between Fort Thompson, SD and Spearfish, SD. The current time in Fort Thompson is 02:19:28, although it is 01:19:28 in Spearfish.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 08 hours 34 minutes |
| 40 mph (64.37 km/h) | 06 hours 26 minutes |
| 50 mph (80.47 km/h) | 05 hours 08 minutes |
| 60 mph (96.56 km/h) | 04 hours 17 minutes |
| 70 mph (112.65 km/h) | 03 hours 40 minutes |
| 75 mph (120.7 km/h) | 03 hours 25 minutes |
| 80 mph (128.75 km/h) | 03 hours 12 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 34.37 liters (9.08 gallon) of gas to cover the route between Fort Thompson and Spearfish.
The estimated cost of gas to go from Fort Thompson to Spearfish is $32.04 (diesel $42.84).
South Dakota gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.53 | $3.72 | $4.2 | $4.72 |
| Total | $32.04 | $33.75 | $38.14 | $42.84 |
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 South Dakota ) per gallon of daily gas for calculations is $3.528 (Diesel $4.718) /gallon. Last changed prices on April 26, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Fort Thompson and Spearfish (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
