How far is Rock Springs, WY from Guernsey, WY?

The driving distance from Rock Springs, WY to Guernsey, WY is about 292.5 miles (470.7 km), with a travel time of about 05h 30m by car.

  • The straight-line flight distance is about 234.1 miles (376.7 km).
  • For a round trip, plan for roughly 11h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
292.47 mi
05h 30m
Flight
234.09 mi
376.73 km direct

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

Learn Distance

Choose another destination from Rock Springs.

Flight Distance

Direct air line
234.09 mi
Kilometers
376.73 km
Flight Time
00h 28m

Driving Distance

Road route
292.47 mi
Kilometers
470.68 km
Drive Time
05h 30m

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 30m.

Arrival Snapshot
Arrive in Guernsey
Thu, Apr 23, 12:45 AM MDT
Return by in Rock Springs
Thu, Apr 23, 6:16 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Springs
2026-04-22T19:15
Arrive Guernsey
Thu, Apr 23, 12:45 AM MDT
Route Timing
05h 30m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:31 AM to 1:31 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
5:58 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Rock Springs
9:00 PM MDT
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
Elk Mountain
WY

Town of the United States

From Rock Springs
146 mi
02h 45m
To Guernsey
146.5 mi
02h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Wednesday

Mostly Sunny then Slight Chance T-storms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 29 mph SW
Destination
82°F
Wednesday

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
0 to 30 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Springs and Guernsey.

  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

    2182 ft · 38 sec · 9th Street

  8. 8

    Take the ramp right

    1916 ft · 30 sec

  9. 9

    Merge slight left onto Dwight D. Eisenhower Highway

    164.5 mi · 2 hr 41 min · Dwight D. Eisenhower Highway

  10. 10

    Take the exit slight right toward WY 13: Arlington

    1424 ft · 37 sec

  11. 11

    Turn right onto State Highway 13

    17.8 mi · 31 min · State Highway 13

  12. 12

    At the end of the road, turn right onto North 4th Street

    1.2 km · 1 min · North 4th Street

  13. 13

    Continue on South 5th Street

    21.1 mi · 31 min · South 5th Street

  14. 14

    Turn left onto State Highway 34

    51.8 mi · 1 hr 4 min · State Highway 34

  15. 15

    Take the ramp left

    19 mi · 18 min

  16. 16

    Take the exit slight right toward Guernsey, Torrington

    1946 ft · 47 sec

  17. 17

    Continue on Highway 26

    14.5 mi · 17 min · Highway 26

  18. 18

    Continue on West Whalen Street

    2694 ft · 1 min · West Whalen Street

  19. 19

    Turn right onto South Wyoming Avenue

    17 m · 1 sec · South Wyoming Avenue

  20. 20

    Arrive at your destination

    0 m · 1 sec · South Wyoming Avenue

Car Route Details

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

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
20 steps
10 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
6.8 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
165 mi · 56%
State Highway 34
71.1 mi · 24%
South 5th Street
21.1 mi · 7%
State Highway 13
17.8 mi · 6%
Highway 26
14.5 mi · 5%
9th Street
0.78 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

165 mi · 02h 41m

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 30m
Long day trip
Same-Day Return
11h 02m
Round-trip wheel time
Road vs Air
+58.4 mi
234.1 mi direct line
Halfway Stop
Elk Mountain
02h 45m from Rock Springs
Leave By
5:58 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Slight Chance T-storms leaving Rock Springs and Mostly Sunny then Slight Chance Rain Showers near Guernsey.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Springs to Guernsey?

The road trip is about 292.5 miles (470.7 km) and usually takes 05h 30m 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?

Elk Mountain is a useful midpoint, sitting about 146 miles from Rock Springs and 146.5 miles from Guernsey.

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

The direct path is about 234.1 miles (376.7 km), while the road route adds roughly 58.4 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:58 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.18 one way or $80.35 round trip. Estimated CO2 is about 91.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance T-storms around Rock Springs and Mostly Sunny then Slight Chance Rain Showers near Guernsey.

Flight Path Map

This map shows the direct air route between Rock Springs and Guernsey. Straight-line distance: 234.09 mi (376.73 km).

Rock Springs

#1 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Guernsey

#2 Guernsey

Town in Platte County, Wyoming, United States of America

Population1,143
Coordinates42.2696900, -104.7416300
Altitude1327
CountryUnited States
Start: Rock Springs (-109.2029, 41.58746)
End: Guernsey (-104.74163, 42.26969)

Estimated Travel Time

Distance: 471 km by road

SpeedTime
30 mph (48.3 km/h)09h 44m
40 mph (64.37 km/h)07h 18m
50 mph (80.47 km/h)05h 50m
60 mph (96.56 km/h)04h 52m
70 mph (112.65 km/h)04h 10m
80 mph (129 km/h)03h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.32 gal
39.07 L · about $40.18
Round trip
$80.35
20.64 gal · 78.14 L
Estimated CO2
91.7 kg one way
Round trip: 183.4 kg / 404 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $40.18 $80.35
Mid-grade $4.23 $43.66 $87.33
Premium $4.55 $46.95 $93.89
Diesel $5.41 $55.85 $111.70

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 23, 2026

There is no time difference between Rock Springs and Guernsey. The current time is 19:15:02.

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.