How far is Watertown, SD from Box Elder, SD?

The driving distance from Watertown, SD to Box Elder, SD is about 352.9 miles (567.9 km), with a travel time of about 05h 50m by car.

  • The straight-line flight distance is about 298.3 miles (480 km).
  • For a round trip, plan for roughly 11h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
352.88 mi
05h 50m
Flight
298.27 mi
480.02 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Watertown.

Flight Distance

Direct air line
298.27 mi
Kilometers
480.02 km
Flight Time
00h 36m

Driving Distance

Road route
352.88 mi
Kilometers
567.9 km
Drive Time
05h 50m

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 05h 50m.

Arrival Snapshot
Arrive in Box Elder
Thu, Apr 23, 10:36 AM MDT
Return by in Watertown
Thu, Apr 23, 5:27 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Watertown
2026-04-23T05:46
Arrive Box Elder
Thu, Apr 23, 11:36 AM CDT
Route Timing
05h 50m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:50 AM to 12:50 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:20 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Watertown
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Chamberlain
SD

City in and county seat of Brule County, South Dakota, United States

From Watertown
198.1 mi
02h 55m
To Box Elder
154.8 mi
02h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM CDT
Wind
22 to 29 mph SSW
Destination
58°F
Thursday

Light Rain Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
17 to 36 mph W

Driving Route Map

The map below follows the saved road route between Watertown and Box Elder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Watertown and Box Elder.

  1. 1

    Start on South Broadway

    1.1 km · 2 min · South Broadway

  2. 2

    Turn right onto 9th Avenue Southwest

    6.4 mi · 9 min · 9th Avenue Southwest

  3. 3

    Continue on US Highway 212

    10.6 mi · 12 min · US Highway 212

  4. 4

    Continue on 4th Street

    1 mi · 2 min · 4th Street

  5. 5

    Continue on US Highway 212

    3.9 mi · 6 min · US Highway 212

  6. 6

    Turn left onto SD Highway 25

    60 mi · 1 hr 11 min · SD Highway 25

  7. 7

    Turn right onto SD Highway 34

    6 mi · 7 min · SD Highway 34

  8. 8

    Turn left onto SD Highway 25

    23.6 mi · 27 min · SD Highway 25

  9. 9

    Take the ramp right

    1803 ft · 44 sec

  10. 10

    Merge slight left

    282.4 mi · 4 hr 25 min

  11. 11

    Take the exit slight right toward Box Elder, Elisworth AirForce Base

    1962 ft · 48 sec

  12. 12

    Keep slight left

    28 m · 7 sec

  13. 13

    Turn left onto Liberty Boulevard

    2562 ft · 52 sec · Liberty Boulevard

  14. 14

    Turn right onto Highway 1416

    1.5 km · 2 min · Highway 1416

  15. 15

    Turn left onto Oak Street

    671 ft · 32 sec · Oak Street

  16. 16

    Turn right onto Front Street

    29 m · 4 sec · Front Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Watertown and Box Elder.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
17 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
4.8 / 100 mi
Decision points by distance
Main Roads
SD Highway 25
367 mi · 104%
US Highway 212
14.5 mi · 4%
9th Avenue Southwest
6.41 mi · 2%
SD Highway 34
6.03 mi · 2%
4th Street
1.02 mi
Highway 1416
0.9 mi
Longest Stretch

SD Highway 25

Merge slight left

282 mi · 04h 25m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 50m
Long day trip
Same-Day Return
11h 40m
Round-trip wheel time
Road vs Air
+54.6 mi
298.3 mi direct line
Halfway Stop
Chamberlain
02h 55m from Watertown
Leave By
5:20 AM CDT
Early departure recommended
Weather Watch

Chance Rain Showers leaving Watertown and Light Rain Likely near Box Elder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Watertown to Box Elder?

The road trip is about 352.9 miles (567.9 km) and usually takes 05h 50m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Chamberlain is a useful midpoint, sitting about 198.1 miles from Watertown and 154.8 miles from Box Elder.

How much longer is the road route than the straight-line distance?

The direct path is about 298.3 miles (480 km), while the road route adds roughly 54.6 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:20 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.95 one way or $93.90 round trip. Estimated CO2 is about 110.6 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Watertown and Box Elder, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Watertown and Light Rain Likely near Box Elder.

Flight Path Map

This map shows the direct air route between Watertown and Box Elder. Straight-line distance: 298.27 mi (480.02 km).

Watertown

#1 Watertown

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

Population22,303
Coordinates44.8994100, -97.1150700
Altitude528
CountryUnited States
Box Elder

#2 Box Elder

City in Pennington County, South Dakota, United States

Population7,165
Coordinates44.1124900, -103.0682300
Altitude925
CountryUnited States
Start: South Broadway (-97.115008, 44.899398)
End: Front Street (-103.068237, 44.112405)

Estimated Travel Time

Distance: 568 km by road

SpeedTime
30 mph (48.3 km/h)11h 45m
40 mph (64.37 km/h)08h 49m
50 mph (80.47 km/h)07h 03m
60 mph (96.56 km/h)05h 52m
70 mph (112.65 km/h)05h 02m
80 mph (129 km/h)04h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.45 gal
47.14 L · about $46.95
Round trip
$93.90
24.9 gal · 94.28 L
Estimated CO2
110.6 kg one way
Round trip: 221.3 kg / 488 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $46.95 $93.90
Mid-grade $4.25 $52.95 $105.90
Premium $4.65 $57.94 $115.88
Diesel $5.30 $66.03 $132.07

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

Please keep in mind that there is a 1 hour time gap between Watertown, SD and Box Elder, SD. The current time in Watertown is 05:46:30, although it is 04:46:30 in Box Elder.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.