How far is Lemmon, SD from Sioux Falls, SD?
The driving distance from Lemmon, SD to Sioux Falls, SD is about 403.7 miles (649.7 km), with a travel time of about 06h 27m by car.
- The straight-line flight distance is about 314.6 miles (506.3 km).
- For a round trip, plan for roughly 12h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 27m.
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.
City in and the county seat of Brown County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Lemmon and Sioux Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lemmon and Sioux Falls.
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1
Start on Main Avenue
2146 ft · 1 min · Main Avenue
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2
Turn left onto 10th Street East
95.6 mi · 1 hr 49 min · 10th Street East
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3
Continue on West Grand Crossing
3.4 mi · 4 min · West Grand Crossing
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4
Continue on US Highway 12
18.5 mi · 21 min · US Highway 12
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5
Continue on Highway 12 & 83
1.5 km · 1 min · Highway 12 & 83
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6
Continue on US Highway 12
17.8 mi · 20 min · US Highway 12
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7
Continue straight
35.3 mi · 40 min
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8
Continue straight
99.9 mi · 2 hr
-
9
Take the exit right toward I 29, US 81: Watertown
1761 ft · 43 sec
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10
Merge slight left
122.9 mi · 1 hr 55 min
-
11
Take the exit slight right toward Interstate 90 East: Albert Lea
1230 ft · 30 sec
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12
Merge slight left
3.7 mi · 4 min
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13
Take the exit slight right toward I 229 South
2551 ft · 33 sec
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14
Merge slight left
3.6 mi · 4 min
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15
Take the exit slight right toward 10th Street, Downtown
1309 ft · 32 sec
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16
Keep slight right to continue on SD 42: Downtown, Washington Pavilion
610 ft · 21 sec
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17
Turn right onto South Lowell Avenue
633 ft · 23 sec · South Lowell Avenue
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18
Turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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19
Turn right onto North Chicago Avenue
540 ft · 24 sec · North Chicago Avenue
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20
Arrive at your destination
0 m · 1 sec · North Chicago Avenue
Car Route Details
A richer read on the saved driving route between Lemmon and Sioux Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 29
Merge slight left
123 mi · 01h 55m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Lemmon and Mostly Sunny near Sioux Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lemmon to Sioux Falls?
The road trip is about 403.7 miles (649.7 km) and usually takes 06h 27m 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?
Aberdeen is a useful midpoint, sitting about 201.6 miles from Lemmon and 202.1 miles from Sioux Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 314.6 miles (506.3 km), while the road route adds roughly 89.1 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 MDT. 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 $53.74 one way or $107.47 round trip. Estimated CO2 is about 126.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lemmon and Sioux Falls, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Lemmon and Mostly Sunny near Sioux Falls.
Flight Path Map
This map shows the direct air route between Lemmon and Sioux Falls. Straight-line distance: 314.62 mi (506.33 km).
#1 Lemmon
City in South Dakota, United States of America
| Population | 1,160 |
| Coordinates | 45.9408300, -102.1593200 |
| Altitude | 783 |
| Country | United States |
#2 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| Country | United States |
End: North Chicago Avenue (-96.700171, 43.549971)
Estimated Travel Time
Distance: 650 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 27m |
| 40 mph (64.37 km/h) | 10h 05m |
| 50 mph (80.47 km/h) | 08h 04m |
| 60 mph (96.56 km/h) | 06h 43m |
| 70 mph (112.65 km/h) | 05h 46m |
| 80 mph (129 km/h) | 05h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $53.74 | $107.47 |
| Mid-grade | $4.25 | $60.61 | $121.21 |
| Premium | $4.65 | $66.32 | $132.64 |
| Diesel | $5.30 | $75.58 | $151.16 |
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.