How far is Watertown, SD from Oglala, SD?

The driving distance from Watertown, SD to Oglala, SD is about 430.7 miles (693.2 km), with a travel time of about 07h 50m by car.

  • The straight-line flight distance is about 303.2 miles (488 km).
  • For a round trip, plan for roughly 15h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
430.73 mi
07h 50m
Flight
303.24 mi
488.01 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
303.24 mi
Kilometers
488.01 km
Flight Time
00h 36m

Driving Distance

Road route
430.73 mi
Kilometers
693.2 km
Drive Time
07h 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 07h 50m.

Arrival Snapshot
Arrive in Oglala
Thu, Apr 23, 6:26 AM MDT
Return by in Watertown
Thu, Apr 23, 3:16 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Watertown
2026-04-22T23:36
Arrive Oglala
Thu, Apr 23, 7:26 AM CDT
Route Timing
07h 50m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:50 PM to 2:20 PM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
8:20 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Watertown
8:00 PM CDT
Overnight-style route

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
Reliance
SD

Town in Lyman County, South Dakota, United States

From Watertown
215.1 mi
03h 55m
To Oglala
215.7 mi
03h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
13 to 24 mph S
Destination
88°F
Wednesday

Partly Sunny then Chance Showers And Thunderstorms

Starts
Wed, Apr 22 5:00 AM MDT
Wind
14 to 20 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Watertown and Oglala.

  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

    199.2 mi · 3 hr 7 min

  11. 11

    Take the exit slight right toward SD 73 North: Kadoka

    1657 ft · 47 sec

  12. 12

    Turn left onto SD Highway 73

    1.2 mi · 2 min · SD Highway 73

  13. 13

    Continue on State Highway 73

    44.6 mi · 52 min · State Highway 73

  14. 14

    Turn right

    57.4 mi · 1 hr 9 min

  15. 15

    Continue straight

    15.3 mi · 23 min

  16. 16

    Turn right

    57 m · 8 sec

  17. 17

    Turn straight onto Oglada 3

    44 m · 11 sec · Oglada 3

  18. 18

    Arrive at your destination

    0 m · 1 sec · Oglada 3

Car Route Details

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

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
18 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
4.2 / 100 mi
Decision points by distance
Main Roads
SD Highway 25
283 mi · 66%
State Highway 73
59.9 mi · 14%
US Highway 212
14.5 mi · 3%
9th Avenue Southwest
6.41 mi · 1%
SD Highway 34
6.03 mi · 1%
SD Highway 73
1.23 mi
Longest Stretch

SD Highway 25

Merge slight left

199 mi · 03h 07m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 50m
Overnight route
Same-Day Return
15h 40m
Round-trip wheel time
Road vs Air
+127.5 mi
303.2 mi direct line
Halfway Stop
Reliance
03h 55m from Watertown
Leave By
8:20 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Watertown and Partly Sunny then Chance Showers And Thunderstorms near Oglala.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Watertown to Oglala?

The road trip is about 430.7 miles (693.2 km) and usually takes 07h 50m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Reliance is a useful midpoint, sitting about 215.1 miles from Watertown and 215.7 miles from Oglala.

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

The direct path is about 303.2 miles (488 km), while the road route adds roughly 127.5 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $57.32 one way or $114.64 round trip. Estimated CO2 is about 135.1 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Mostly Sunny around Watertown and Partly Sunny then Chance Showers And Thunderstorms near Oglala.

Flight Path Map

This map shows the direct air route between Watertown and Oglala. Straight-line distance: 303.24 mi (488.01 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
Oglala

#2 Oglala

Census-designated place in Oglala Lakota County, South Dakota, United States

Population1,290
Coordinates43.1885900, -102.7396200
Altitude915
CountryUnited States
Start: Watertown (-97.11507, 44.89941)
End: Oglala (-102.73962, 43.18859)

Estimated Travel Time

Distance: 693 km by road

SpeedTime
30 mph (48.3 km/h)14h 21m
40 mph (64.37 km/h)10h 46m
50 mph (80.47 km/h)08h 36m
60 mph (96.56 km/h)07h 10m
70 mph (112.65 km/h)06h 09m
80 mph (129 km/h)05h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.2 gal
57.54 L · about $57.32
Round trip
$114.64
30.4 gal · 115.08 L
Estimated CO2
135.1 kg one way
Round trip: 270.2 kg / 596 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $57.32 $114.64
Mid-grade $4.25 $64.65 $129.29
Premium $4.65 $70.74 $141.48
Diesel $5.30 $80.62 $161.24

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 Oglala, SD. The current time in Watertown is 23:36:27, although it is 22:36:27 in Oglala.

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.