How far is Sheridan, WY from Guernsey, WY?

The driving distance from Sheridan, WY to Guernsey, WY is about 257.6 miles (414.5 km), with a travel time of about 04h 18m by car.

  • The straight-line flight distance is about 206.9 miles (332.9 km).
  • For a round trip, plan for roughly 08h 36m 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
257.53 mi
04h 18m
Flight
206.87 mi
332.92 km direct

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

Learn Distance

Choose another destination from Sheridan.

Flight Distance

Direct air line
206.87 mi
Kilometers
332.92 km
Flight Time
00h 24m

Driving Distance

Road route
257.53 mi
Kilometers
414.45 km
Drive Time
04h 18m

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 04h 18m.

Arrival Snapshot
Arrive in Guernsey
Thu, Apr 23, 1:21 AM MDT
Return by in Sheridan
Thu, Apr 23, 5:39 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sheridan
2026-04-22T21:03
Arrive Guernsey
Thu, Apr 23, 1:21 AM MDT
Route Timing
04h 18m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:18 AM to 12:18 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
8:24 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Sheridan
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
Bar Nunn
WY

Town of the United States

From Sheridan
128.7 mi
02h 09m
To Guernsey
128.8 mi
02h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Wednesday

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 23 mph SSW
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 Sheridan and Guernsey.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sheridan and Guernsey.

  1. 1

    Start on West Loucks Street

    24 m · 6 sec · West Loucks Street

  2. 2

    Turn right onto South Main Street

    654 ft · 19 sec · South Main Street

  3. 3

    Turn left onto East Burkitt Street

    51 m · 3 sec · East Burkitt Street

  4. 4

    Continue on Coffeen Avenue

    1.7 mi · 3 min · Coffeen Avenue

  5. 5

    Turn left onto East Brundage Lane

    1370 ft · 27 sec · East Brundage Lane

  6. 6

    Take the ramp right

    31.2 mi · 32 min

  7. 7

    Take the exit slight right toward I 25 South, US 87 South: Casper

    208.6 mi · 3 hr 24 min

  8. 8

    Take the exit slight left toward Guernsey, Torrington

    15.6 mi · 19 min

  9. 9

    Turn right onto South Wyoming Avenue

    17 m · 1 sec · South Wyoming Avenue

  10. 10

    Arrive at your destination

    0 m · 1 sec · South Wyoming Avenue

Car Route Details

A richer read on the saved driving route between Sheridan 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
10 steps
4 turns on the saved route
Ramps & Exits
3
0 merges, 3 ramps or exits
Navigation Density
3.9 / 100 mi
Decision points by distance
Main Roads
I 25 South
224 mi · 87%
East Brundage Lane
31.5 mi · 12%
Coffeen Avenue
1.75 mi · 1%
South Main Street
0.12 mi
East Burkitt Street
0.03 mi
West Loucks Street
0.01 mi
Longest Stretch

I 25 South

Take the exit slight right toward I 25 South, US 87 South: Casper

209 mi · 03h 24m

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
04h 18m
Long day trip
Same-Day Return
08h 36m
Round-trip wheel time
Road vs Air
+50.7 mi
206.9 mi direct line
Halfway Stop
Bar Nunn
02h 09m from Sheridan
Leave By
8:24 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Slight Chance Rain Showers leaving Sheridan 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 Sheridan to Guernsey?

The road trip is about 257.6 miles (414.5 km) and usually takes 04h 18m 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?

Bar Nunn is a useful midpoint, sitting about 128.7 miles from Sheridan and 128.8 miles from Guernsey.

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

The direct path is about 206.9 miles (332.9 km), while the road route adds roughly 50.7 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 MDT. If you want a more comfortable same-day return, try to leave by 8:24 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.39 one way or $70.77 round trip. Estimated CO2 is about 80.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Sheridan and Mostly Sunny then Slight Chance Rain Showers near Guernsey.

Stop Ideas Near Bar Nunn

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Bar Nunn, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Bar Nunn.

BUS

Casper, Wyoming

7 mi away
123 West E St.
BUS

Douglas, Wyoming

81 mi away
628 East Richards St.

Flight Path Map

This map shows the direct air route between Sheridan and Guernsey. Straight-line distance: 206.87 mi (332.92 km).

Sheridan

#1 Sheridan

City in Wyoming, United States

Population18,095
Coordinates44.7971900, -106.9561800
Altitude1141
CountryUnited States
Guernsey

#2 Guernsey

Town in Platte County, Wyoming, United States of America

Population1,143
Coordinates42.2696900, -104.7416300
Altitude1327
CountryUnited States
Start: Sheridan (-106.95618, 44.79719)
End: Guernsey (-104.74163, 42.26969)

Estimated Travel Time

Distance: 414 km by road

SpeedTime
30 mph (48.3 km/h)08h 34m
40 mph (64.37 km/h)06h 26m
50 mph (80.47 km/h)05h 09m
60 mph (96.56 km/h)04h 17m
70 mph (112.65 km/h)03h 40m
80 mph (129 km/h)03h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.09 gal
34.4 L · about $35.39
Round trip
$70.77
18.18 gal · 68.8 L
Estimated CO2
80.8 kg one way
Round trip: 161.6 kg / 356 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $35.39 $70.77
Mid-grade $4.23 $38.46 $76.92
Premium $4.55 $41.35 $82.70
Diesel $5.41 $49.20 $98.39

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 Sheridan and Guernsey. The current time is 21:03:08.

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.