How far is Lemmon, SD from Yankton, SD?
The driving distance from Lemmon, SD to Yankton, SD is about 426.2 miles (685.9 km), with a travel time of about 07h 01m by car.
- The straight-line flight distance is about 316.5 miles (509.4 km).
- For a round trip, plan for roughly 14h 03m 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 07h 01m.
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 South Dakota, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Sunny
Driving Route Map
The map below follows the saved road route between Lemmon and Yankton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lemmon and Yankton.
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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
3.6 mi · 4 min · US Highway 12
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7
Turn right onto US Highway 83
30.7 mi · 35 min · US Highway 83
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8
Continue on US Highway 83
36.2 mi · 41 min · US Highway 83
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9
Turn right
16.4 mi · 19 min
-
10
Continue on North Euclid Avenue
1.6 km · 2 min · North Euclid Avenue
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11
Turn left onto South Pierre Street
564 ft · 14 sec · South Pierre Street
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12
Turn right onto West Sioux Avenue
1.5 km · 1 min · West Sioux Avenue
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13
Continue on North Highway 83
2600 ft · 36 sec · North Highway 83
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14
Continue on North Deadwood Street
1.1 km · 46 sec · North Deadwood Street
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15
Continue on North 1st Street
1.6 km · 1 min · North 1st Street
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16
Continue on South US Highway 83
30.9 mi · 35 min · South US Highway 83
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17
Take the exit left
1746 ft · 43 sec
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18
Merge slight left
150.4 mi · 2 hr 21 min
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19
Take the exit slight right toward US 81: Salem, Yankton
1983 ft · 50 sec
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20
Turn right onto US Highway 81
35.8 mi · 41 min · US Highway 81
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21
Continue on 291st Street
1.3 km · 55 sec · 291st Street
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22
Continue on US Highway 81
15.6 mi · 18 min · US Highway 81
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23
Continue on Broadway Avenue
4.6 mi · 5 min · Broadway Avenue
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24
Turn right onto West 4th Street
15 m · 1 sec · West 4th Street
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25
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Lemmon and Yankton.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South US Highway 83
Merge slight left
150 mi · 02h 21m
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 Sunny near Yankton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lemmon to Yankton?
The road trip is about 426.2 miles (685.9 km) and usually takes 07h 01m 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?
Fort Pierre is a useful midpoint, sitting about 224.1 miles from Lemmon and 202.1 miles from Yankton.
How much longer is the road route than the straight-line distance?
The direct path is about 316.5 miles (509.4 km), while the road route adds roughly 109.7 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 $56.72 one way or $113.43 round trip. Estimated CO2 is about 133.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lemmon and Yankton, 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 Sunny near Yankton.
Flight Path Map
This map shows the direct air route between Lemmon and Yankton. Straight-line distance: 316.5 mi (509.35 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 Yankton
County seat of Yankton County, South Dakota, United States
| Population | 14,651 |
| Coordinates | 42.8711100, -97.3972800 |
| Altitude | 368 |
| Country | United States |
End: West 4th Street (-97.397278, 42.871173)
Estimated Travel Time
Distance: 686 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 12m |
| 40 mph (64.37 km/h) | 10h 39m |
| 50 mph (80.47 km/h) | 08h 31m |
| 60 mph (96.56 km/h) | 07h 06m |
| 70 mph (112.65 km/h) | 06h 05m |
| 80 mph (129 km/h) | 05h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $56.72 | $113.43 |
| Mid-grade | $4.25 | $63.97 | $127.93 |
| Premium | $4.65 | $70.00 | $139.99 |
| Diesel | $5.30 | $79.77 | $159.54 |
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.