How far is Harrisburg, SD from Lemmon, SD?
The driving distance from Harrisburg, SD to Lemmon, SD is about 412.8 miles (664.4 km), with a travel time of about 07h 35m by car.
- The straight-line flight distance is about 319.3 miles (513.9 km).
- For a round trip, plan for roughly 15h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 07h 35m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Unincorporated community in South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Harrisburg and Lemmon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and Lemmon.
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1
Start on East Willow Street
1.8 mi · 3 min · East Willow Street
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2
Continue on 273rd Street
3.2 mi · 6 min · 273rd Street
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3
Take the ramp right
1644 ft · 40 sec
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4
Merge slight left
135.3 mi · 2 hr 9 min
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5
Take the exit slight right toward US 12: Aberdeen, Milbank
1264 ft · 34 sec
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6
Turn left onto US Highway 12
22.9 mi · 26 min · US Highway 12
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7
Continue on East Highway 12
1.5 mi · 2 min · East Highway 12
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8
Continue on US Highway 12
28.9 mi · 33 min · US Highway 12
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9
Continue on East Highway 12
2.6 mi · 4 min · East Highway 12
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10
Continue on 133rd Street
13 mi · 14 min · 133rd Street
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11
Continue on US Highway 12 East
1 mi · 1 min · US Highway 12 East
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12
Continue on 6th Avenue Southeast
5.1 mi · 12 min · 6th Avenue Southeast
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13
Continue on US Highway 12 West
2.8 mi · 3 min · US Highway 12 West
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14
Continue on 134th Street
6.3 mi · 7 min · 134th Street
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15
Continue on US Highway 12
68.9 mi · 1 hr 18 min · US Highway 12
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16
Continue on Highway 12 & 83
1.5 km · 1 min · Highway 12 & 83
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17
Continue on US Highway 12
18.6 mi · 21 min · US Highway 12
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18
Continue on East Grand Crossing
3.4 mi · 4 min · East Grand Crossing
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19
Continue on US Highway 12
89.8 mi · 1 hr 42 min · US Highway 12
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20
Continue straight
5.7 mi · 7 min
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21
Turn right onto Main Avenue
2146 ft · 59 sec · Main Avenue
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22
Arrive at your destination
0 m · 1 sec · Main Avenue
Car Route Details
A richer read on the saved driving route between Harrisburg and Lemmon.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
273rd Street
Merge slight left
135 mi · 02h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Rain Showers leaving Harrisburg and Light Rain Likely near Lemmon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to Lemmon?
The road trip is about 412.8 miles (664.4 km) and usually takes 07h 35m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Bath is a useful midpoint, sitting about 206.1 miles from Harrisburg and 206.7 miles from Lemmon.
How much longer is the road route than the straight-line distance?
The direct path is about 319.3 miles (513.9 km), while the road route adds roughly 93.5 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.94 one way or $109.89 round trip. Estimated CO2 is about 129.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Harrisburg and Lemmon, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Harrisburg and Light Rain Likely near Lemmon.
Flight Path Map
This map shows the direct air route between Harrisburg and Lemmon. Straight-line distance: 319.35 mi (513.94 km).
#1 Harrisburg
City in South Dakota, United States of America
| Population | 7,126 |
| Coordinates | 43.4313700, -96.6972700 |
| Altitude | 435 |
| Country | United States |
#2 Lemmon
City in South Dakota, United States of America
| Population | 1,160 |
| Coordinates | 45.9408300, -102.1593200 |
| Altitude | 783 |
| Country | United States |
End: Lemmon (-102.15932, 45.94083)
Estimated Travel Time
Distance: 664 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 45m |
| 40 mph (64.37 km/h) | 10h 19m |
| 50 mph (80.47 km/h) | 08h 15m |
| 60 mph (96.56 km/h) | 06h 52m |
| 70 mph (112.65 km/h) | 05h 53m |
| 80 mph (129 km/h) | 05h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $54.94 | $109.89 |
| Mid-grade | $4.25 | $61.97 | $123.93 |
| Premium | $4.65 | $67.81 | $135.62 |
| Diesel | $5.30 | $77.28 | $154.56 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.