How far is Britton, SD from Watertown, SD?
The driving distance from Britton, SD to Watertown, SD is about 87.1 miles (140.1 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 69 miles (111 km).
- For a round trip, plan for roughly 03h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 34m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Britton and Watertown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Britton and Watertown.
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1
Start on Main Avenue
37 m · 9 sec · Main Avenue
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2
Turn left onto Vander Horck Street
2643 ft · 45 sec · Vander Horck Street
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3
Continue on SD Highway 10
36.6 mi · 54 min · SD Highway 10
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4
Enter the roundabout and take exit 2 toward West Hickory Street
37 m · 2 sec · West Hickory Street
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5
Exit the roundabout onto West Hickory Street
1.6 km · 1 min · West Hickory Street
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6
Enter the roundabout and take exit 2 toward SD Highway 10
34 m · 2 sec · SD Highway 10
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7
Exit the roundabout onto SD Highway 10
2.6 mi · 4 min · SD Highway 10
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8
Take the ramp right toward I 29, US 81: Watertown
1425 ft · 35 sec
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9
Merge slight left
50.5 mi · 47 min
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10
Take the exit slight right toward US 81 South, SD 20 West: Watertown
1615 ft · 41 sec
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11
Turn right onto 26th Avenue Northeast
2.4 mi · 3 min · 26th Avenue Northeast
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12
Turn left onto 4th Street Northeast
2 mi · 3 min · 4th Street Northeast
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13
Turn right onto 3rd Avenue Northeast
1581 ft · 35 sec · 3rd Avenue Northeast
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14
Turn left onto North Broadway
1992 ft · 59 sec · North Broadway
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15
Arrive at your destination
0 m · 1 sec · South Broadway
Car Route Details
A richer read on the saved driving route between Britton and Watertown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 29
Merge slight left
50.5 mi · 00h 47m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Showers And Thunderstorms leaving Britton and Chance Rain Showers near Watertown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Britton to Watertown?
The road trip is about 87.1 miles (140.1 km) and usually takes 01h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Peever is a useful midpoint, sitting about 48.4 miles from Britton and 38.7 miles from Watertown.
How much longer is the road route than the straight-line distance?
The direct path is about 69 miles (111 km), while the road route adds roughly 18.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.58 one way or $23.15 round trip. Estimated CO2 is about 27.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Britton and Chance Rain Showers near Watertown.
Flight Path Map
This map shows the direct air route between Britton and Watertown. Straight-line distance: 68.95 mi (110.96 km).
#1 Britton
City in and county seat of Marshall County, South Dakota, United States
| Population | 1,256 |
| Coordinates | 45.7916200, -97.7509400 |
| Altitude | 414 |
| Country | United States |
#2 Watertown
City in and county seat of Codington County, South Dakota, United States
| Population | 22,303 |
| Coordinates | 44.8994100, -97.1150700 |
| Altitude | 528 |
| Country | United States |
End: South Broadway (-97.115008, 44.899398)
Estimated Travel Time
Distance: 140 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 54m |
| 40 mph (64.37 km/h) | 02h 10m |
| 50 mph (80.47 km/h) | 01h 44m |
| 60 mph (96.56 km/h) | 01h 27m |
| 70 mph (112.65 km/h) | 01h 14m |
| 80 mph (129 km/h) | 01h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.58 | $23.15 |
| Mid-grade | $4.25 | $13.06 | $26.11 |
| Premium | $4.65 | $14.29 | $28.58 |
| Diesel | $5.30 | $16.28 | $32.57 |
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.