How far is Green River, WY from Guernsey, WY?
The driving distance from Green River, WY to Guernsey, WY is about 307.8 miles (495.3 km), with a travel time of about 05h 46m by car.
- The straight-line flight distance is about 248.3 miles (399.6 km).
- For a round trip, plan for roughly 11h 33m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 46m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Carbon County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance T-storms
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Green River and Guernsey.
Turn-by-Turn Driving Directions
Step-by-step road directions between Green River and Guernsey.
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1
Start on North 1st East
11 m · 7 sec · North 1st East
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2
Turn left onto East Flaming Gorge Way
1.1 mi · 3 min · East Flaming Gorge Way
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3
Take the ramp straight toward I 80 East, US 30 East: Rock Springs
1.1 km · 1 min
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4
Merge slight left onto Dwight D. Eisenhower Highway
179.9 mi · 2 hr 57 min · Dwight D. Eisenhower Highway
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5
Take the exit slight right toward WY 13: Arlington
1424 ft · 37 sec
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6
Turn right onto State Highway 13
17.8 mi · 31 min · State Highway 13
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7
At the end of the road, turn right onto North 4th Street
1.2 km · 1 min · North 4th Street
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8
Continue on South 5th Street
21.1 mi · 31 min · South 5th Street
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9
Turn left onto State Highway 34
51.8 mi · 1 hr 4 min · State Highway 34
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10
Take the ramp left
19 mi · 18 min
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11
Take the exit slight right toward Guernsey, Torrington
1946 ft · 47 sec
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12
Continue on Highway 26
14.5 mi · 17 min · Highway 26
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13
Continue on West Whalen Street
2694 ft · 1 min · West Whalen Street
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14
Turn right onto South Wyoming Avenue
17 m · 1 sec · South Wyoming Avenue
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15
Arrive at your destination
0 m · 1 sec · South Wyoming Avenue
Car Route Details
A richer read on the saved driving route between Green River and Guernsey.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
180 mi · 02h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny then Slight Chance T-storms leaving Green River 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 Green River to Guernsey?
The road trip is about 307.8 miles (495.3 km) and usually takes 05h 46m 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?
Hanna is a useful midpoint, sitting about 153.7 miles from Green River and 154.2 miles from Guernsey.
How much longer is the road route than the straight-line distance?
The direct path is about 248.3 miles (399.6 km), while the road route adds roughly 59.5 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 5:26 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.28 one way or $84.56 round trip. Estimated CO2 is about 96.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance T-storms around Green River and Mostly Sunny then Slight Chance Rain Showers near Guernsey.
Stop Ideas Near Hanna
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hanna.
Casper, Wyoming
Flight Path Map
This map shows the direct air route between Green River and Guernsey. Straight-line distance: 248.27 mi (399.56 km).
#1 Green River
River in Wyoming, Utah, and Colorado, in the United States, that is a tributary of the Colorado River
| Population | 11,788 |
| Coordinates | 41.5285800, -109.4662500 |
| Altitude | 1864 |
| Country | United States |
#2 Guernsey
Town in Platte County, Wyoming, United States of America
| Population | 1,143 |
| Coordinates | 42.2696900, -104.7416300 |
| Altitude | 1327 |
| Country | United States |
End: Guernsey (-104.74163, 42.26969)
Estimated Travel Time
Distance: 495 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 15m |
| 40 mph (64.37 km/h) | 07h 41m |
| 50 mph (80.47 km/h) | 06h 09m |
| 60 mph (96.56 km/h) | 05h 07m |
| 70 mph (112.65 km/h) | 04h 23m |
| 80 mph (129 km/h) | 03h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $42.28 | $84.56 |
| Mid-grade | $4.23 | $45.95 | $91.90 |
| Premium | $4.55 | $49.40 | $98.80 |
| Diesel | $5.41 | $58.77 | $117.55 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.