How far is Watertown, SD from Garretson, SD?
The driving distance from Watertown, SD to Garretson, SD is about 103.6 miles (166.8 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 87.1 miles (140.2 km).
- For a round trip, plan for roughly 03h 50m 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 55m.
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.
Township in Brookings County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Snow Showers
Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Watertown and Garretson.
Turn-by-Turn Driving Directions
Step-by-step road directions between Watertown and Garretson.
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1
Start on South Broadway
885 ft · 31 sec · South Broadway
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2
Turn right onto 1st Avenue Northeast
1.4 mi · 3 min · 1st Avenue Northeast
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3
Continue on Willow Creek Drive Southeast
1.1 mi · 2 min · Willow Creek Drive Southeast
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4
Turn left onto 9th Avenue Southeast
2518 ft · 50 sec · 9th Avenue Southeast
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5
Take the ramp slight right toward I-29: Brookings
1582 ft · 39 sec
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6
Merge slight left
78.9 mi · 1 hr 14 min
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7
Take the exit slight right toward SD 115: Dell Rapids, Colton
1516 ft · 43 sec
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8
Turn left onto 246th Street
2.5 mi · 3 min · 246th Street
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9
Continue on West 4th Street
3212 ft · 1 min · West 4th Street
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10
Turn right onto North Highway 115
1.3 km · 2 min · North Highway 115
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11
Continue on 475th Avenue
3.7 mi · 4 min · 475th Avenue
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12
Turn left onto 250th Street
10 mi · 18 min · 250th Street
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13
Turn right onto 485th Avenue
2.9 mi · 4 min · 485th Avenue
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14
Turn left onto 5th Street
2349 ft · 1 min · 5th Street
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15
Turn right onto North Main Avenue
89 m · 8 sec · North Main Avenue
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16
Arrive at your destination
0 m · 1 sec · North Main Avenue
Car Route Details
A richer read on the saved driving route between Watertown and Garretson.
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
78.9 mi · 01h 14m
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 Snow Showers leaving Watertown and Slight Chance Snow Showers near Garretson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Watertown to Garretson?
The road trip is about 103.6 miles (166.8 km) and usually takes 01h 55m 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?
Medary is a useful midpoint, sitting about 51.8 miles from Watertown and 51.8 miles from Garretson.
How much longer is the road route than the straight-line distance?
The direct path is about 87.1 miles (140.2 km), while the road route adds roughly 16.5 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 2:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.80 one way or $27.60 round trip. Estimated CO2 is about 32.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Snow Showers around Watertown and Slight Chance Snow Showers near Garretson.
Flight Path Map
This map shows the direct air route between Watertown and Garretson. Straight-line distance: 87.09 mi (140.16 km).
#1 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 |
#2 Garretson
City in South Dakota, United States of America
| Population | 1,147 |
| Coordinates | 43.7174700, -96.5028200 |
| Altitude | 458 |
| Country | United States |
End: Garretson (-96.50282, 43.71747)
Estimated Travel Time
Distance: 167 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 27m |
| 40 mph (64.37 km/h) | 02h 35m |
| 50 mph (80.47 km/h) | 02h 04m |
| 60 mph (96.56 km/h) | 01h 43m |
| 70 mph (112.65 km/h) | 01h 28m |
| 80 mph (129 km/h) | 01h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.80 | $27.60 |
| Mid-grade | $4.25 | $15.57 | $31.13 |
| Premium | $4.65 | $17.03 | $34.07 |
| Diesel | $5.30 | $19.41 | $38.83 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.