How far is Spearfish, SD from Rapid Valley, SD?
The driving distance from Spearfish, SD to Rapid Valley, SD is about 53.4 miles (86 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 46 miles (74.1 km).
- For a round trip, plan for roughly 02h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 00m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Meade County, South Dakota, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Spearfish and Rapid Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spearfish and Rapid Valley.
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1
Start on North Main Street
26 m · 30 sec · North Main Street
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2
Continue on North Main Street
51 m · 10 sec · North Main Street
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3
Turn right onto East Jackson Boulevard
2777 ft · 2 min · East Jackson Boulevard
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4
Take the ramp right toward I 90 East, US 85 South
1555 ft · 38 sec
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5
Merge slight left
14.2 mi · 14 min
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6
Continue straight
7.6 mi · 8 min
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7
Continue straight
23.6 mi · 24 min
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8
Continue straight
3.6 mi · 4 min
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9
Take the exit slight right toward US 16 Truck, ND 79 South: Mount Rushmore, Crazy Horse
1209 ft · 30 sec
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10
Keep slight right
637 ft · 17 sec
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11
Merge slight left onto Elk Vale Road
2.2 mi · 3 min · Elk Vale Road
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12
Turn left onto Concourse Drive
1148 ft · 38 sec · Concourse Drive
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13
Turn left onto Twilight Drive
2441 ft · 1 min · Twilight Drive
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14
Turn right onto Peanut Lane
703 ft · 33 sec · Peanut Lane
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15
Turn right onto Sweetbriar Street
1311 ft · 58 sec · Sweetbriar Street
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16
Arrive at your destination
0 m · 1 sec · Sweetbriar Street
Car Route Details
A richer read on the saved driving route between Spearfish and Rapid Valley.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 East
Continue straight
23.6 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Spearfish and Sunny near Rapid Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spearfish to Rapid Valley?
The road trip is about 53.4 miles (86 km) and usually takes 01h 00m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Piedmont is a useful midpoint, sitting about 26.7 miles from Spearfish and 26.8 miles from Rapid Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 46 miles (74.1 km), while the road route adds roughly 7.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:30 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.13 one way or $14.25 round trip. Estimated CO2 is about 16.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Spearfish and Sunny near Rapid Valley.
Flight Path Map
This map shows the direct air route between Spearfish and Rapid Valley. Straight-line distance: 46.04 mi (74.1 km).
#1 Spearfish
City in Lawrence County, South Dakota, United States
| Population | 11,900 |
| Coordinates | 44.4908200, -103.8593700 |
| Altitude | 1112 |
| Country | United States |
#2 Rapid Valley
Census-designated place in Pennington County, South Dakota
| Population | 8,260 |
| Coordinates | 44.0624900, -103.1462900 |
| Altitude | 962 |
| Country | United States |
End: Rapid Valley (-103.14629, 44.06249)
Estimated Travel Time
Distance: 86 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 46m |
| 40 mph (64.37 km/h) | 01h 20m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 53m |
| 70 mph (112.65 km/h) | 00h 45m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.13 | $14.25 |
| Mid-grade | $4.25 | $8.04 | $16.08 |
| Premium | $4.65 | $8.80 | $17.59 |
| Diesel | $5.30 | $10.02 | $20.05 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in South Dakota · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.