How far is Worthing, SD from Spearfish, SD?

The driving distance from Worthing, SD to Spearfish, SD is about 407.8 miles (656.3 km), with a travel time of about 05h 55m by car.

  • The straight-line flight distance is about 362.1 miles (582.8 km).
  • For a round trip, plan for roughly 11h 51m 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
407.82 mi
05h 55m
Flight
362.12 mi
582.77 km direct

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

Learn Distance

Choose another destination from Worthing.

Flight Distance

Direct air line
362.12 mi
Kilometers
582.77 km
Flight Time
00h 43m

Driving Distance

Road route
407.82 mi
Kilometers
656.33 km
Drive Time
05h 55m

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 55m.

Arrival Snapshot
Arrive in Spearfish
Sun, May 31, 6:15 AM MDT
Return by in Worthing
Sun, May 31, 1:11 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Worthing
2026-05-31T01:19
Arrive Spearfish
Sun, May 31, 7:15 AM CDT
Route Timing
05h 55m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:56 AM to 12:56 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
5:08 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Worthing
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
Vivian
SD

Census-designated place in Lyman County, South Dakota, United States

From Worthing
203 mi
02h 57m
To Spearfish
204.8 mi
02h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Sunday

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM CDT
Wind
15 mph SE
Destination
68°F
Sunday

Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM MDT
Wind
3 to 13 mph W

Driving Route Map

The map below follows the saved road route between Worthing and Spearfish.

Turn-by-Turn Driving Directions

Step-by-step road directions between Worthing and Spearfish.

  1. 1

    Start on South Main Street

    128 m · 24 sec · South Main Street

  2. 2

    Turn left onto West 1st Street

    1.1 km · 1 min · West 1st Street

  3. 3

    Continue on 280th Street

    1.5 km · 2 min · 280th Street

  4. 4

    Take the ramp right

    1465 ft · 36 sec

  5. 5

    Merge slight left

    19.5 mi · 21 min

  6. 6

    Take the exit slight right toward I 90 West: Rapid City

    1236 ft · 30 sec

  7. 7

    Merge slight left

    384.2 mi · 6 hr 6 min

  8. 8

    Take the exit slight right toward Jackson Boulevard, Black Hills State University

    1541 ft · 43 sec

  9. 9

    Turn left onto East Jackson Boulevard

    1 km · 2 min · East Jackson Boulevard

  10. 10

    Turn left onto North Main Street

    45 m · 14 sec · North Main Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · North Main Street

Car Route Details

A richer read on the saved driving route between Worthing and Spearfish.

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
11 steps
3 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
2.7 / 100 mi
Decision points by distance
Main Roads
I 90 West
384 mi · 94%
280th Street
20.7 mi · 5%
West 1st Street
0.71 mi
East Jackson Boulevard
0.63 mi
Jackson Boulevard
0.29 mi
South Main Street
0.08 mi
Longest Stretch

I 90 West

Merge slight left

384 mi · 06h 06m

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 55m
Long day trip
Same-Day Return
11h 52m
Round-trip wheel time
Road vs Air
+45.7 mi
362.1 mi direct line
Halfway Stop
Vivian
02h 57m from Worthing
Leave By
5:08 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms leaving Worthing and Showers And Thunderstorms near Spearfish.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Worthing to Spearfish?

The road trip is about 407.8 miles (656.3 km) and usually takes 05h 55m 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?

Vivian is a useful midpoint, sitting about 203 miles from Worthing and 204.8 miles from Spearfish.

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

The direct path is about 362.1 miles (582.8 km), while the road route adds roughly 45.7 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 5:08 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $54.26 one way or $108.53 round trip. Estimated CO2 is about 127.9 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely then Chance Showers And Thunderstorms around Worthing and Showers And Thunderstorms near Spearfish.

Flight Path Map

This map shows the direct air route between Worthing and Spearfish. Straight-line distance: 362.12 mi (582.77 km).

Worthing

#1 Worthing

City in Lincoln County, South Dakota, United States of America

Population1,024
Coordinates43.3291500, -96.7628300
Altitude415
CountryUnited States
Spearfish

#2 Spearfish

City in Lawrence County, South Dakota, United States

Population11,900
Coordinates44.4908200, -103.8593700
Altitude1112
CountryUnited States
Start: South Main Street (-96.762996, 43.329152)
End: North Main Street (-103.859247, 44.49086)

Estimated Travel Time

Distance: 656 km by road

SpeedTime
30 mph (48.3 km/h)13h 35m
40 mph (64.37 km/h)10h 11m
50 mph (80.47 km/h)08h 09m
60 mph (96.56 km/h)06h 47m
70 mph (112.65 km/h)05h 49m
80 mph (129 km/h)05h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.39 gal
54.48 L · about $54.26
Round trip
$108.53
28.78 gal · 108.96 L
Estimated CO2
127.9 kg one way
Round trip: 255.8 kg / 564 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $54.26 $108.53
Mid-grade $4.25 $61.20 $122.40
Premium $4.65 $66.97 $133.94
Diesel $5.30 $76.32 $152.65

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 · May 31, 2026

Please keep in mind that there is a 1 hour time gap between Worthing, SD and Spearfish, SD. The current time in Worthing is 01:19:31, although it is 00:19:31 in Spearfish.

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.