How far is Mobridge, SD from Harrisburg, SD?
The driving distance from Mobridge, SD to Harrisburg, SD is about 316.3 miles (509 km), with a travel time of about 04h 53m by car.
- The straight-line flight distance is about 234.4 miles (377.3 km).
- For a round trip, plan for roughly 09h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 53m.
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.
Township in Day County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Mobridge and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mobridge and Harrisburg.
-
1
Start on 4th Avenue East
22 m · 5 sec · 4th Avenue East
-
2
Turn right onto East Grand Crossing
1 mi · 1 min · East Grand Crossing
-
3
Continue on US Highway 12
18.5 mi · 21 min · US Highway 12
-
4
Continue on Highway 12 & 83
1.5 km · 1 min · Highway 12 & 83
-
5
Continue on US Highway 12
17.8 mi · 20 min · US Highway 12
-
6
Continue straight
35.3 mi · 40 min
-
7
Continue straight
99.9 mi · 2 hr
-
8
Take the exit right toward I 29, US 81: Watertown
1761 ft · 43 sec
-
9
Merge slight left
135.4 mi · 2 hr 10 min
-
10
Take the exit slight right
1448 ft · 41 sec
-
11
Turn left onto 273rd Street
3.5 mi · 6 min · 273rd Street
-
12
Continue on West Willow Street
1.6 mi · 3 min · West Willow Street
-
13
Arrive at your destination
0 m · 1 sec · East Willow Street
Car Route Details
A richer read on the saved driving route between Mobridge and Harrisburg.
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
135 mi · 02h 10m
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.
Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Mobridge and Chance Showers And Thunderstorms near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mobridge to Harrisburg?
The road trip is about 316.3 miles (509 km) and usually takes 04h 53m 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?
Waubay is a useful midpoint, sitting about 157 miles from Mobridge and 159.3 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 234.4 miles (377.3 km), while the road route adds roughly 81.9 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 CDT. If you want a more comfortable same-day return, try to leave by 7:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.08 one way or $84.17 round trip. Estimated CO2 is about 99.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Mobridge and Chance Showers And Thunderstorms near Harrisburg.
Flight Path Map
This map shows the direct air route between Mobridge and Harrisburg. Straight-line distance: 234.46 mi (377.32 km).
#1 Mobridge
City in South Dakota, United States of America
| Population | 3,373 |
| Coordinates | 45.5372200, -100.4279100 |
| Altitude | 506 |
| Country | United States |
#2 Harrisburg
City in South Dakota, United States of America
| Population | 7,126 |
| Coordinates | 43.4313700, -96.6972700 |
| Altitude | 435 |
| Country | United States |
End: Willow Street (-96.697271, 43.431465)
Estimated Travel Time
Distance: 509 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 32m |
| 40 mph (64.37 km/h) | 07h 54m |
| 50 mph (80.47 km/h) | 06h 19m |
| 60 mph (96.56 km/h) | 05h 16m |
| 70 mph (112.65 km/h) | 04h 31m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $42.08 | $84.17 |
| Mid-grade | $4.25 | $47.46 | $94.93 |
| Premium | $4.65 | $51.94 | $103.88 |
| Diesel | $5.30 | $59.19 | $118.39 |
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 · Jun 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.