How far is Guernsey, WY from Green River, WY?
The driving distance from Guernsey, WY to Green River, WY is about 307.6 miles (495 km), with a travel time of about 04h 55m by car.
- The straight-line flight distance is about 248.3 miles (399.6 km).
- For a round trip, plan for roughly 09h 50m 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 04h 55m.
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 Rain Showers
Mostly Sunny then Slight Chance T-storms
Driving Route Map
The map below follows the saved road route between Guernsey and Green River.
Turn-by-Turn Driving Directions
Step-by-step road directions between Guernsey and Green River.
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1
Start on South Wyoming Avenue
17 m · 7 sec · South Wyoming Avenue
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2
Turn left onto West Whalen Street
2588 ft · 1 min · West Whalen Street
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3
Continue on Highway 26
14.5 mi · 17 min · Highway 26
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4
Keep slight left
2848 ft · 1 min
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5
Merge slight right onto Cheyenne
18.7 mi · 18 min
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6
Take the exit slight right toward WY 34 West: Laramie
1937 ft · 48 sec
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7
Turn right onto State Highway 34
51.6 mi · 1 hr 4 min · State Highway 34
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8
At the end of the road, turn right onto US Highway 30
21.1 mi · 31 min · US Highway 30
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9
Continue on North 4th Street
1.2 km · 1 min · North 4th Street
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10
Turn left onto State Highway 13
17.6 mi · 31 min · State Highway 13
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11
Take the ramp left
1501 ft · 37 sec
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12
Merge slight left onto Dwight D. Eisenhower Highway
179.8 mi · 2 hr 56 min · Dwight D. Eisenhower Highway
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13
Take the exit slight right toward I 80 Business West, US 30 Business West: Green River
1.9 mi · 4 min
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14
Turn right onto North 1st East
11 m · 2 sec · North 1st East
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15
Arrive at your destination
0 m · 1 sec · North 1st East
Car Route Details
A richer read on the saved driving route between Guernsey and Green River.
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 56m
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 Rain Showers leaving Guernsey and Mostly Sunny then Slight Chance T-storms near Green River.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Guernsey to Green River?
The road trip is about 307.6 miles (495 km) and usually takes 04h 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?
Hanna is a useful midpoint, sitting about 153.6 miles from Guernsey and 154 miles from Green River.
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 59.3 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 7:10 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.24 one way or $84.48 round trip. Estimated CO2 is about 96.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Guernsey and Mostly Sunny then Slight Chance T-storms near Green River.
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 Guernsey and Green River. Straight-line distance: 248.27 mi (399.56 km).
#1 Guernsey
Town in Platte County, Wyoming, United States of America
| Population | 1,143 |
| Coordinates | 42.2696900, -104.7416300 |
| Altitude | 1327 |
| Country | United States |
#2 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 |
End: North 1st East (-109.466324, 41.528621)
Estimated Travel Time
Distance: 495 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 14m |
| 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 | $42.24 | $84.48 |
| Mid-grade | $4.23 | $45.91 | $91.81 |
| Premium | $4.55 | $49.36 | $98.71 |
| Diesel | $5.41 | $58.72 | $117.44 |
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.