How far is Deadwood, SD from Watertown, SD?

The driving distance from Deadwood, SD to Watertown, SD is about 374.5 miles (602.7 km), with a travel time of about 06h 33m by car.

  • The straight-line flight distance is about 327.1 miles (526.4 km).
  • For a round trip, plan for roughly 13h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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
374.47 mi
06h 33m
Flight
327.11 mi
526.43 km direct

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

Learn Distance

Choose another destination from Deadwood.

Flight Distance

Direct air line
327.11 mi
Kilometers
526.43 km
Flight Time
00h 39m

Driving Distance

Road route
374.47 mi
Kilometers
602.65 km
Drive Time
06h 33m

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 06h 33m.

Arrival Snapshot
Arrive in Watertown
Tue, Apr 28, 5:47 PM CDT
Return by in Deadwood
Tue, Apr 28, 11:20 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Deadwood
2026-04-28T10:13
Arrive Watertown
Tue, Apr 28, 4:47 PM MDT
Route Timing
06h 33m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
1:34 PM to 3:04 PM CDT

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

Leave by
10:52 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Deadwood
8:00 PM MDT
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
Kennebec
SD

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

From Deadwood
222 mi
03h 16m
To Watertown
152.4 mi
03h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
44°F
Tuesday

Snow Showers Likely then Rain And Snow Showers Likely

Starts
Tue, Apr 28 6:00 AM MDT
Wind
2 to 6 mph NE
Destination
50°F
Tuesday

Partly Sunny

Starts
Tue, Apr 28 6:00 AM CDT
Wind
8 to 12 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Lee Street

    56 m · 14 sec · Lee Street

  2. 2

    Turn left onto Main Street

    105 m · 16 sec · Main Street

  3. 3

    Turn left onto Deadwood Street

    67 m · 12 sec · Deadwood Street

  4. 4

    Turn left onto Pioneer Way

    2324 ft · 32 sec · Pioneer Way

  5. 5

    Continue on Main Street

    9.3 mi · 11 min · Main Street

  6. 6

    Continue on Boulder Canyon Road

    1.1 mi · 1 min · Boulder Canyon Road

  7. 7

    Continue on Lazelle Street

    1.1 mi · 1 min · Lazelle Street

  8. 8

    Take the exit right

    87.6 mi · 1 hr 27 min

  9. 9

    Continue straight

    232.3 mi · 3 hr 38 min

  10. 10

    Take the exit slight right toward SD 25: Emery, Farmer

    1688 ft · 48 sec

  11. 11

    Turn left onto SD Highway 25

    23.8 mi · 28 min · SD Highway 25

  12. 12

    Turn right onto SD Highway 34

    6 mi · 7 min · SD Highway 34

  13. 13

    Turn left onto SD Highway 25

    60 mi · 1 hr 11 min · SD Highway 25

  14. 14

    At the end of the road, turn right onto US Highway 212

    3.9 mi · 6 min · US Highway 212

  15. 15

    Continue on 4th Street

    1 mi · 2 min · 4th Street

  16. 16

    Continue on US Highway 212

    10.6 mi · 12 min · US Highway 212

  17. 17

    Continue on 9th Avenue Southwest

    6.4 mi · 9 min · 9th Avenue Southwest

  18. 18

    Turn left onto South Broadway

    1.1 km · 2 min · South Broadway

  19. 19

    Arrive at your destination

    0 m · 1 sec · South Broadway

Car Route Details

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

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
19 steps
8 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
5.1 / 100 mi
Decision points by distance
Main Roads
Lazelle Street
321 mi · 86%
SD Highway 25
83.8 mi · 22%
US Highway 212
14.5 mi · 4%
Main Street
9.41 mi · 3%
9th Avenue Southwest
6.41 mi · 2%
SD Highway 34
6.03 mi · 2%
Longest Stretch

Lazelle Street

Continue straight

232 mi · 03h 38m

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
06h 33m
Overnight route
Same-Day Return
13h 08m
Round-trip wheel time
Road vs Air
+47.4 mi
327.1 mi direct line
Halfway Stop
Kennebec
03h 16m from Deadwood
Leave By
10:52 PM MDT
Overnight-style route
Weather Watch

Snow Showers Likely then Rain And Snow Showers Likely leaving Deadwood and Partly Sunny near Watertown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 374.5 miles (602.7 km) and usually takes 06h 33m 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?

Kennebec is a useful midpoint, sitting about 222 miles from Deadwood and 152.4 miles from Watertown.

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

The direct path is about 327.1 miles (526.4 km), while the road route adds roughly 47.4 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 MDT. 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 $49.81 one way or $99.63 round trip. Estimated CO2 is about 117.4 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Snow Showers Likely then Rain And Snow Showers Likely around Deadwood and Partly Sunny near Watertown.

Flight Path Map

This map shows the direct air route between Deadwood and Watertown. Straight-line distance: 327.11 mi (526.43 km).

Deadwood

#1 Deadwood

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

Population1,294
Coordinates44.3766500, -103.7296400
Altitude1381
CountryUnited States
Watertown

#2 Watertown

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

Population22,303
Coordinates44.8994100, -97.1150700
Altitude528
CountryUnited States
Start: Lee Street (-103.729682, 44.376615)
End: South Broadway (-97.115008, 44.899398)

Estimated Travel Time

Distance: 603 km by road

SpeedTime
30 mph (48.3 km/h)12h 28m
40 mph (64.37 km/h)09h 21m
50 mph (80.47 km/h)07h 29m
60 mph (96.56 km/h)06h 14m
70 mph (112.65 km/h)05h 20m
80 mph (129 km/h)04h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.21 gal
50.02 L · about $49.81
Round trip
$99.63
26.42 gal · 100.04 L
Estimated CO2
117.4 kg one way
Round trip: 234.8 kg / 518 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $49.81 $99.63
Mid-grade $4.25 $56.18 $112.36
Premium $4.65 $61.48 $122.96
Diesel $5.30 $70.07 $140.13

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 28, 2026

Please keep in mind that there is a 1 hour time gap between Deadwood, SD and Watertown, SD. The current time in Deadwood is 10:13:27, although it is 11:13:27 in Watertown.

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.