How far is Spearfish, SD from Rapid City, SD?
Distance by Flight
Shortest distance between Spearfish and Rapid City is 42.07 miles (67.7 km).
Flight distance from Spearfish, SD to Rapid City, SD is 42.07 miles. Estimated flight time is 00 hours 05 minutes.
Driving distance
The driving distance from Spearfish, South Dakota to Rapid City, South Dakota is: 47.96 miles (77.18 km) by car.
Driving from Spearfish to Rapid City will take approximately 00 hours 43 minutes.
#1 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 |
#2 Rapid City
The second most populous city in South Dakota. It is located in the Black Hills in western South Dakota. Rapid City is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Rushmore National Memorial and the Mount Rushmore Visitor Center.
| Population | 77503 |
|---|---|
| GPS Coordinates | 44°4'50"N 103°13'52"W |
| Latitude | 44.0805400 |
| Longitude | -103.2310100 |
| Altitude | 988 |
| Country | United States |
Ending point in Rapid City: Mount Rushmore Road (-103.231059,44.080547)
Estimated Travel Time Between Spearfish and Rapid City
The distance between Spearfish and Rapid City is 77 km if you choose to drive by road. You can go 00 hours 51 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 Spearfish and Rapid City. The current time is 00:50:47.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 35 minutes |
| 40 mph (64.37 km/h) | 01 hours 11 minutes |
| 50 mph (80.47 km/h) | 00 hours 57 minutes |
| 60 mph (96.56 km/h) | 00 hours 47 minutes |
| 70 mph (112.65 km/h) | 00 hours 41 minutes |
| 75 mph (120.7 km/h) | 00 hours 38 minutes |
| 80 mph (128.75 km/h) | 00 hours 35 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 6.41 liters (1.69 gallon) of gas to cover the route between Spearfish and Rapid City.
The estimated cost of gas to go from Spearfish to Rapid City is $5.97 (diesel $7.98).
South Dakota gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.53 | $3.72 | $4.2 | $4.72 |
| Total | $5.97 | $6.29 | $7.11 | $7.98 |
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 November 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Spearfish and Rapid City (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
