How far is Watertown, SD from Lennox, SD?
The driving distance from Watertown, SD to Lennox, SD is about 119.8 miles (192.8 km), with a travel time of about 02h 05m by car.
- The straight-line flight distance is about 107.3 miles (172.7 km).
- For a round trip, plan for roughly 04h 10m 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 02h 05m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Watertown and Lennox.
Turn-by-Turn Driving Directions
Step-by-step road directions between Watertown and Lennox.
-
1
Start on South Broadway
885 ft · 31 sec · South Broadway
-
2
Turn right onto 1st Avenue Northeast
1.4 mi · 3 min · 1st Avenue Northeast
-
3
Continue on Willow Creek Drive Southeast
1.1 mi · 2 min · Willow Creek Drive Southeast
-
4
Turn left onto 9th Avenue Southeast
2518 ft · 50 sec · 9th Avenue Southeast
-
5
Take the ramp slight right toward I-29: Brookings
1582 ft · 39 sec
-
6
Merge slight left
108.9 mi · 1 hr 45 min
-
7
Take the exit slight right
1960 ft · 48 sec
-
8
Keep slight right
56 m · 5 sec
-
9
Turn straight onto 276th Street
4.4 mi · 8 min · 276th Street
-
10
Turn left onto SD Highway 17
1.8 mi · 3 min · SD Highway 17
-
11
Continue on North Pine Street
855 ft · 19 sec · North Pine Street
-
12
Turn right onto East Boynton Avenue
1576 ft · 48 sec · East Boynton Avenue
-
13
Turn left onto North Main Street
1925 ft · 55 sec · North Main Street
-
14
Turn right onto West 2nd Avenue
21 m · 3 sec · West 2nd Avenue
-
15
Arrive at your destination
0 m · 1 sec · West 2nd Avenue
Car Route Details
A richer read on the saved driving route between Watertown and Lennox.
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
109 mi · 01h 45m
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.
Sunny leaving Watertown and Sunny near Lennox.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Watertown to Lennox?
The road trip is about 119.8 miles (192.8 km) and usually takes 02h 05m 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 59.9 miles from Watertown and 59.9 miles from Lennox.
How much longer is the road route than the straight-line distance?
The direct path is about 107.3 miles (172.7 km), while the road route adds roughly 12.5 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 2:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.95 one way or $31.90 round trip. Estimated CO2 is about 37.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Watertown and Sunny near Lennox.
Flight Path Map
This map shows the direct air route between Watertown and Lennox. Straight-line distance: 107.34 mi (172.74 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 Lennox
City in South Dakota, United States of America
| Population | 2,500 |
| Coordinates | 43.3541500, -96.8920000 |
| Altitude | 410 |
| Country | United States |
End: Lennox (-96.892, 43.35415)
Estimated Travel Time
Distance: 193 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 59m |
| 40 mph (64.37 km/h) | 02h 59m |
| 50 mph (80.47 km/h) | 02h 23m |
| 60 mph (96.56 km/h) | 01h 59m |
| 70 mph (112.65 km/h) | 01h 42m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.95 | $31.90 |
| Mid-grade | $4.25 | $17.99 | $35.98 |
| Premium | $4.65 | $19.69 | $39.37 |
| Diesel | $5.30 | $22.44 | $44.87 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.