How far is Rapid City, SD from Lennox, SD?
The driving distance from Rapid City, SD to Lennox, SD is about 352.6 miles (567.5 km), with a travel time of about 05h 51m by car.
- The straight-line flight distance is about 320.4 miles (515.7 km).
- For a round trip, plan for roughly 11h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 51m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 and county seat of Lyman County, South Dakota, United States
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 Rapid City and Lennox.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rapid City and Lennox.
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1
Start on Mount Rushmore Road
1223 ft · 48 sec · Mount Rushmore Road
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2
Turn left onto Omaha Street
1094 ft · 38 sec · Omaha Street
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3
Turn right
1.2 mi · 2 min
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4
Keep slight right to continue on I 90 East: Sioux Falls
1661 ft · 29 sec
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5
Continue straight
329.4 mi · 5 hr 11 min
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6
Take the exit slight right
1645 ft · 40 sec
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7
Keep slight right
75 m · 6 sec
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8
Turn straight onto 463rd Avenue
4.4 mi · 8 min · 463rd Avenue
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9
Turn left onto 265th Street
3 mi · 5 min · 265th Street
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10
Turn right onto 466th Avenue
3 mi · 5 min · 466th Avenue
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11
Continue on South SD Highway 17
9.6 mi · 17 min · South SD Highway 17
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12
Continue on North Pine Street
855 ft · 19 sec · North Pine Street
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13
Turn right onto East Boynton Avenue
1576 ft · 48 sec · East Boynton Avenue
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14
Turn left onto North Main Street
1925 ft · 55 sec · North Main Street
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15
Turn right onto West 2nd Avenue
21 m · 3 sec · West 2nd Avenue
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16
Arrive at your destination
0 m · 1 sec · West 2nd Avenue
Car Route Details
A richer read on the saved driving route between Rapid City and Lennox.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Continue straight
329 mi · 05h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Rapid City and Sunny near Lennox.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rapid City to Lennox?
The road trip is about 352.6 miles (567.5 km) and usually takes 05h 51m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Kennebec is a useful midpoint, sitting about 175.9 miles from Rapid City and 176.7 miles from Lennox.
How much longer is the road route than the straight-line distance?
The direct path is about 320.4 miles (515.7 km), while the road route adds roughly 32.2 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:16 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.91 one way or $93.82 round trip. Estimated CO2 is about 110.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Rapid City and Lennox, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Rapid City and Sunny near Lennox.
Flight Path Map
This map shows the direct air route between Rapid City and Lennox. Straight-line distance: 320.43 mi (515.68 km).
#1 Rapid City
The second most populous city in South Dakota.
| Population | 77,503 |
| Coordinates | 44.0805400, -103.2310100 |
| Altitude | 988 |
| Country | United States |
#2 Lennox
City in South Dakota, United States of America
| Population | 2,500 |
| Coordinates | 43.3541500, -96.8920000 |
| Altitude | 410 |
| Country | United States |
End: Lennox (-96.892, 43.35415)
Estimated Travel Time
Distance: 567 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 44m |
| 40 mph (64.37 km/h) | 08h 48m |
| 50 mph (80.47 km/h) | 07h 03m |
| 60 mph (96.56 km/h) | 05h 52m |
| 70 mph (112.65 km/h) | 05h 02m |
| 80 mph (129 km/h) | 04h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $46.91 | $93.82 |
| Mid-grade | $4.25 | $52.91 | $105.81 |
| Premium | $4.65 | $57.90 | $115.79 |
| Diesel | $5.30 | $65.98 | $131.96 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.