Skip to main content

Trip from Watertown, SD to Fort Thompson, SD

Last recalculated Apr 16, 2026

Drive Time

3h 45m

Distance

173.3 mi

279 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$27

one way

EV Charging

Unknown

Best Time to Leave

Save up to 38 min
4 AM
3h 32m ★
6 AM
3h 45m
8 AM
4h 10m
10 AM
3h 54m
12 PM
3h 51m
3 PM
3h 55m
5 PM
4h 9m
8 PM
3h 37m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in and county seat of Codington County, South Dakota, United States

Watertown, SD

Wikimedia Commons

Downtown Fort Thompson, SD, SD

Fort Thompson, SD

Esteban Carriazo

Trip Overview

The drive from Watertown, SD to Fort Thompson, SD covers 173.3 miles and takes about 3h 45m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on 9th Avenue Southwest, Highway 212, 4th Street for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $27.09 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

86.6 miles from Watertown, SD

A natural place for your longest stop of the day , about 1h 52m into the drive .

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 3h 45m. Total distance: 173.3 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

3h 45m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (0%). Straightforward navigation.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 3h 45m drive with frequent turns across 173.3 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
9th Avenue Southwest is one of the defining roads on this drive.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive.

Driving Effort 1/10

Very easy - short and simple to drive

Balances navigation complexity with total wheel time.

The drive from Watertown, SD to Fort Thompson, SD is easy. At 3h 45m with 0% highway, most drivers will find it relaxed and low-stress.

Where does it get tricky?

This route does not have any notably tricky sections. Most of the drive from Watertown, SD to Fort Thompson, SD is straightforward, with well-signed roads and simple exits.

Main Roads

Road Distance Duration
9th Avenue Southwest
Highway 212
4th Street
Highway 25
Highway 14 West
East Neosho Street
Highway 14
Dakota Avenue North

Some road-level metrics are being recalculated.

Longest stretch: 9th Avenue Southwest — detailed segment metrics are refreshing.

Turn-by-Turn Driving Directions

Step-by-step road directions between Watertown, SD and Fort Thompson, SD.

1

Start on South Broadway

0.7 mi · 1 min · South Broadway
2

Turn right onto 9th Avenue Southwest

6.4 mi · 8 min · 9th Avenue Southwest
3

Continue on US Highway 212

11 mi · 12 min · US Highway 212
4

Continue on 4th Street

1.0 mi · 1 min · 4th Street
5

Continue on US Highway 212

3.9 mi · 5 min · US Highway 212
6

Turn left onto SD Highway 25

34 mi · 40 min · SD Highway 25
7

Turn right onto US Highway 14 West

15 mi · 16 min · US Highway 14 West
8

Continue on East Neosho Street

0.5 mi · 36 sec · East Neosho Street
9

Continue on US Highway 14

18 mi · 20 min · US Highway 14
10

Turn left onto Dakota Avenue North

5.0 mi · 6 min · Dakota Avenue North
11

Continue on SD Highway 37

17 mi · 19 min · SD Highway 37
12

Turn right onto SD Highway 34

2.5 mi · 3 min · SD Highway 34
13

Continue on East 7th Street

1.0 mi · 1 min · East 7th Street
14

Continue on SD Highway 34

57 mi · 1 hr 24 min · SD Highway 34
15

Keep slight left to continue on SD Highway 249

1.1 mi · 1 min · SD Highway 249
16

Turn left onto BIA Route 4

66 ft · 2 sec · BIA Route 4
17

Arrive at your destination

Trip Plan

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 86.6 miles from Watertown, SD, or about 1h 52m into the drive.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 38 miles or 49m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 86.6 miles or 1h 52m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 3h 4m

Traffic, exits, and arrival timing usually matter more near Fort Thompson, SD than in the middle of the route.

Before You Leave

+

Open the route before leaving Watertown, SD so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Watertown, SD

This is one driving day of about 173.3 miles and 3h 45m.

Your first comfortable stop window is around 38 miles from Watertown, SD.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 86.6 mi from Watertown, SD · 1h 52m into the drive

city in Lake County, South Dakota, United States

Mid-route town

Meal stop

Madison, SD

87 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Madison, SD to Fort Thompson, SD

117.8 mi · 2h 44m

Pacing Suggestions

Willow Lake, SD

Fuel and coffee

A short stop after about 38 miles helps settle the day before fatigue starts building.

Madison, SD

Meal break

The midpoint is around 86.6 miles from Watertown, SD, which is a good place for a longer meal and fuel stop.

Arriving in Fort Thompson, SD

The final approach into Fort Thompson, SD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Fort Thompson, SD.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$27.09 one way

$54.19 round trip

$3.97/gal 25.4 MPG avg 61 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $29.75 $59.50
premium $4.89 $33.35 $66.70
diesel $5.61 $38.26 $76.52

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$27

Meals

$25–$50

Total

$52–$77

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 60.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $18 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 52 0 $18.20 $8.32
Efficient EV 43.3 0 $15.16 $6.93
EV Truck/SUV 69.3 0 $24.26 $11.09

Gas CO2

61 kg

EV CO2

20 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Watertown, SD

Morning in Watertown on Thursday

Local time

11:52 AM

CDT

Current temp

70°F

Unavailable

Live forecast

Destination

Fort Thompson, SD

Morning in Fort Thompson on Thursday

Local time

11:52 AM

CDT

Current temp

47°F

Unavailable

Live forecast

74°F

Madison, SD

87 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

23 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

3h 45m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Watertown, SD to Fort Thompson, SD covers 173.3 miles and takes about 3h 45m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are 9th Avenue Southwest, Highway 212, 4th Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 86.6 miles from Watertown, SD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $27.09 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from Watertown, SD to Fort Thompson, SD is easy. At 3h 45m with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from Watertown, SD to Fort Thompson, SD is straightforward, with well-signed roads and simple exits.
The route from Watertown, SD to Fort Thompson, SD does not surface many named destination signs beyond the main corridor.

Was this helpful?

Thanks for your feedback!

Your tip has been submitted. Thanks!

/500

Explore More

Explore more options from Watertown, SD or browse trips ending in Fort Thompson, SD.

Looking for more statewide routes? Browse SD road trips.

Explore maps for Watertown, SD or Fort Thompson, SD on MapSof.net.