How far is Milbank, SD from Watertown, SD?
The driving distance from Milbank, SD to Watertown, SD is about 46.8 miles (75.3 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 32.2 miles (51.8 km).
- For a round trip, plan for roughly 01h 44m 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 00h 52m.
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
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Milbank and Watertown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Milbank and Watertown.
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1
Start on East 4th Avenue
1333 ft · 27 sec · East 4th Avenue
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2
Turn left onto South Dakota Street
1.6 km · 1 min · South Dakota Street
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3
Continue on SD Highway 15
6.8 mi · 10 min · SD Highway 15
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4
Turn right onto SD Highway 20
13.5 mi · 16 min · SD Highway 20
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5
Continue on East Berry Avenue
1.5 mi · 2 min · East Berry Avenue
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6
Continue on SD Highway 20
5.6 mi · 7 min · SD Highway 20
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7
Take the ramp left toward I 29, US 81, SD 20: Watertown
1515 ft · 37 sec
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8
Merge slight left
11.5 mi · 11 min
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9
Take the exit slight right toward US 81 South, SD 20 West: Watertown
1615 ft · 41 sec
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10
Turn right onto 26th Avenue Northeast
2.4 mi · 3 min · 26th Avenue Northeast
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11
Turn left onto 4th Street Northeast
2 mi · 3 min · 4th Street Northeast
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12
Turn right onto 3rd Avenue Northeast
1581 ft · 35 sec · 3rd Avenue Northeast
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13
Turn left onto North Broadway
1992 ft · 59 sec · North Broadway
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14
Arrive at your destination
0 m · 1 sec · South Broadway
Car Route Details
A richer read on the saved driving route between Milbank 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.
SD Highway 20
Turn right onto SD Highway 20
13.5 mi · 00h 16m
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 Milbank and Showers And Thunderstorms Likely near Watertown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Milbank to Watertown?
The road trip is about 46.8 miles (75.3 km) and usually takes 00h 52m 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?
South Shore is a useful midpoint, sitting about 22.9 miles from Milbank and 23.9 miles from Watertown.
How much longer is the road route than the straight-line distance?
The direct path is about 32.2 miles (51.8 km), while the road route adds roughly 14.6 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 4:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.22 one way or $12.44 round trip. Estimated CO2 is about 14.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Milbank and Showers And Thunderstorms Likely near Watertown.
Flight Path Map
This map shows the direct air route between Milbank and Watertown. Straight-line distance: 32.18 mi (51.79 km).
#1 Milbank
City in and county seat of Grand County, South Dakota, United States
| Population | 3,066 |
| Coordinates | 45.2191300, -96.6356200 |
| Altitude | 351 |
| 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: 75 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 33m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.22 | $12.44 |
| Mid-grade | $4.25 | $7.02 | $14.03 |
| Premium | $4.65 | $7.68 | $15.36 |
| Diesel | $5.30 | $8.75 | $17.50 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.