How far is Rock Springs, WY from Fort Washakie, WY?

The driving distance from Rock Springs, WY to Fort Washakie, WY is about 133.5 miles (214.9 km), with a travel time of about 02h 41m by car.

  • The straight-line flight distance is about 99.4 miles (160 km).
  • For a round trip, plan for roughly 05h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
133.55 mi
02h 41m
Flight
99.39 mi
159.96 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Rock Springs.

Flight Distance

Direct air line
99.39 mi
Kilometers
159.96 km
Flight Time
00h 11m

Driving Distance

Road route
133.55 mi
Kilometers
214.93 km
Drive Time
02h 41m

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 41m.

Arrival Snapshot
Arrive in Fort Washakie
Thu, Apr 16, 8:50 AM MDT
Return by in Rock Springs
Thu, Apr 16, 11:32 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Springs
2026-04-16T06:09
Arrive Fort Washakie
Thu, Apr 16, 8:50 AM MDT
Route Timing
02h 41m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:41 AM to 12:41 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:08 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Rock Springs
9:30 PM MDT
Morning start is best

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
Superior
WY

Town of the United States

From Rock Springs
66.7 mi
01h 20m
To Fort Washakie
66.8 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Thursday

Slight Chance T-storms

Starts
Thu, Apr 16 6:00 AM MDT
Wind
10 to 24 mph SW
Destination
57°F
Thursday

Chance Rain And Snow Showers then Isolated T-storms

Starts
Thu, Apr 16 6:00 AM MDT
Wind
13 to 21 mph W

Driving Route Map

The map below follows the saved road route between Rock Springs and Fort Washakie.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Springs and Fort Washakie.

  1. 1

    Start on Collins Street

    26 m · 7 sec · Collins Street

  2. 2

    Turn right onto Agate Street

    129 m · 19 sec · Agate Street

  3. 3

    At the end of the road, turn left onto Edgar Street

    789 ft · 26 sec · Edgar Street

  4. 4

    Turn right onto Virginia Street

    905 ft · 40 sec · Virginia Street

  5. 5

    At the end of the road, turn right onto James Drive

    977 ft · 33 sec · James Drive

  6. 6

    At the end of the road, turn left onto South Side Belt Route

    2190 ft · 48 sec · South Side Belt Route

  7. 7

    Turn right onto 9th Street

    2579 ft · 49 sec · 9th Street

  8. 8

    Take the ramp left

    1707 ft · 26 sec

  9. 9

    Merge slight left onto Dwight D. Eisenhower Highway

    1.5 mi · 2 min · Dwight D. Eisenhower Highway

  10. 10

    Take the exit slight right toward US 191 North

    1962 ft · 50 sec

  11. 11

    Turn right onto Elk Street

    1.4 km · 2 min · Elk Street

  12. 12

    Continue on US 191

    38.1 mi · 43 min · US 191

  13. 13

    Turn right onto Highway 28

    66.5 mi · 1 hr 15 min · Highway 28

  14. 14

    Continue straight

    24.1 mi · 33 min

  15. 15

    Turn left onto North Fork Road

    137 m · 20 sec · North Fork Road

  16. 16

    Turn right onto Black Coal Drive

    1015 ft · 46 sec · Black Coal Drive

  17. 17

    Turn right onto 2nd Street

    8 m · 1 sec · 2nd Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · 2nd Street

Car Route Details

A richer read on the saved driving route between Rock Springs and Fort Washakie.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
18 steps
11 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
13.5 / 100 mi
Decision points by distance
Main Roads
Highway 28
90.6 mi · 68%
US 191
38.1 mi · 29%
Dwight D. Eisenhower Highway
1.54 mi · 1%
Elk Street
0.87 mi · 1%
9th Street
0.81 mi · 1%
South Side Belt Route
0.42 mi
Longest Stretch

Highway 28

Turn right onto Highway 28

66.5 mi · 01h 15m

Route Summary

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

Trip Read

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.

Drive Time
02h 41m
Day trip friendly
Same-Day Return
05h 22m
Round-trip wheel time
Road vs Air
+34.1 mi
99.4 mi direct line
Halfway Stop
Superior
01h 20m from Rock Springs
Leave By
1:08 PM MDT
Morning start is best
Weather Watch

Slight Chance T-storms leaving Rock Springs and Chance Rain And Snow Showers then Isolated T-storms near Fort Washakie.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Springs to Fort Washakie?

The road trip is about 133.5 miles (214.9 km) and usually takes 02h 41m 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?

Superior is a useful midpoint, sitting about 66.7 miles from Rock Springs and 66.8 miles from Fort Washakie.

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

The direct path is about 99.4 miles (160 km), while the road route adds roughly 34.1 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 MDT. If you want a more comfortable same-day return, try to leave by 1:08 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.34 one way or $36.67 round trip. Estimated CO2 is about 41.9 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance T-storms around Rock Springs and Chance Rain And Snow Showers then Isolated T-storms near Fort Washakie.

Flight Path Map

This map shows the direct air route between Rock Springs and Fort Washakie. Straight-line distance: 99.39 mi (159.96 km).

Rock Springs

#1 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Fort Washakie

#2 Fort Washakie

Census-designated place in Fremont County, Wyoming

Population1,759
Coordinates43.0063500, -108.8823500
Altitude1698
CountryUnited States
Start: Rock Springs (-109.2029, 41.58746)
End: Fort Washakie (-108.88235, 43.00635)

Estimated Travel Time

Distance: 215 km by road

SpeedTime
30 mph (48.3 km/h)04h 26m
40 mph (64.37 km/h)03h 20m
50 mph (80.47 km/h)02h 40m
60 mph (96.56 km/h)02h 13m
70 mph (112.65 km/h)01h 54m
80 mph (129 km/h)01h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.71 gal
17.84 L · about $18.34
Round trip
$36.67
9.42 gal · 35.68 L
Estimated CO2
41.9 kg one way
Round trip: 83.7 kg / 185 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $18.34 $36.67
Mid-grade $4.23 $19.93 $39.86
Premium $4.55 $21.43 $42.85
Diesel $5.41 $25.49 $50.98

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 Wyoming · Apr 16, 2026

There is no time difference between Rock Springs and Fort Washakie. The current time is 06:09:08.

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.