Distance between Oacoma SD and Spearfish SD
The distance from Oacoma to Spearfish is 401 kilometers by road including 399 kilometers on motorways. Road takes approximately 3 hours and 40 minutes and goes through Box Elder, Rapid City, Kennebec, Kadoka, Wall, Summerset and Sturgis.
| Shortest distance by air | 365 km ✈️ |
| Car route length | 401 km 🚗 |
| Driving time | 3 h 40 min |
| Fuel amount | 32.1 L |
| Fuel cost | 56.1 AUD |
| Point | Distance | Time | Fuel | |
| Oacoma | 0 km | 00 min | 0.0 L | |
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I 90 Business I 90 37 km, 20 min
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| Kennebec | 37 km | 20 min | 2.7 L | |
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I 90 139 km, 1 h 15 min
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| Kadoka | 176 km | 1 h 36 min | 13.9 L | |
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I 90 70 km, 38 min
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| Wall | 246 km | 2 h 14 min | 19.1 L | |
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I 90 15 km, 08 min
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| Wasta | 261 km | 2 h 22 min | 20.5 L | |
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I 90 47 km, 25 min
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| Box Elder | 308 km | 2 h 48 min | 23.9 L | |
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I 90 19 km, 10 min
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| Rapid City | 326 km | 2 h 58 min | 25.8 L | |
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I 90 16 km, 08 min
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| Summerset | 342 km | 3 h 07 min | 26.9 L | |
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I 90 27 km, 14 min
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| Sturgis | 369 km | 3 h 22 min | 29.1 L | |
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I 90 32 km, 18 min
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| Spearfish | 401 km | 3 h 40 min | 30.6 L | |
Hotels of Spearfish
Frequently Asked Questions
How much does it cost to drive from Oacoma to Spearfish?
Fuel cost: 56.1 AUD
This fuel cost is calculated as: (Route length 401 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.75 AUD / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Oacoma to Spearfish?
Driving time: 3 h 40 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 378 km with a maximum speed 110 km/h = 3 h 26 min
- 20 km with a maximum speed 105 km/h = 11 min
- 1 km with a maximum speed 80 km/h = 1 min
- 1 km with a maximum speed 40 km/h = 1 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Oacoma to Spearfish by land?
The distance between Oacoma and Spearfish is 401 km by road including 399 km on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Oacoma and Spearfish respectively.
How far is Oacoma to Spearfish by plane?
The shortest distance (air line, as the crow flies) between Oacoma and Spearfish is 365 km.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Oacoma and Spearfish respectively. Actual distance between airports may be different.
How many hours is Oacoma from Spearfish by plane?
Boeing 737 airliner needs 27 min to cover the distance of 365 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 1 h 39 min to flight this distance at average speed of 220 km/h.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Oacoma to Spearfish?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 1 h 31 min to cover the distance of 365 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 1 h 44 min to flight this distance at average speed of 210 km/h.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Oacoma and Spearfish?
The halfway point between Oacoma and Spearfish is Cactus Flat. It is located about 9 km from the exact midpoint by road.
The distance from Cactus Flat to Oacoma is 210 km and driving will take about 1 h 54 min. The road between Cactus Flat and Spearfish has length 191 km and will take approximately 1 h 45 min.
The other cities located close to halfway point:
Where is Oacoma in relation to Spearfish?
Oacoma is located 365 km east of Spearfish.
Oacoma has geographic coordinates: latitude 43.79611, longitude -99.39533.
Spearfish has geographic coordinates: latitude 44.49082, longitude -103.85937.
Which highway goes from Oacoma to Spearfish?
The route from Oacoma to Spearfish follows I 90, US 14.
Other minor sections pass along the road:
- SD 79: 50 km
- US 83: 31 km
- SD 63: 11 km
- SD 73: 10 km
- SD 34: 10 km
- US 85: 8 km
- US 16 Truck: 6 km