How far is Green River, WY from South Greeley, WY?

The driving distance from Green River, WY to South Greeley, WY is about 273.5 miles (440.1 km), with a travel time of about 04h 34m by car.

  • The straight-line flight distance is about 243.6 miles (392.1 km).
  • For a round trip, plan for roughly 09h 08m 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
273.45 mi
04h 34m
Flight
243.63 mi
392.09 km direct

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

Learn Distance

Choose another destination from Green River.

Flight Distance

Direct air line
243.63 mi
Kilometers
392.09 km
Flight Time
00h 29m

Driving Distance

Road route
273.45 mi
Kilometers
440.08 km
Drive Time
04h 34m

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 34m.

Arrival Snapshot
Arrive in South Greeley
Thu, Apr 23, 7:48 AM MDT
Return by in Green River
Thu, Apr 23, 12:22 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Green River
2026-04-23T03:13
Arrive South Greeley
Thu, Apr 23, 7:48 AM MDT
Route Timing
04h 34m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:34 AM to 12:34 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
7:52 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Green River
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
Sinclair
WY

Town of the United States

From Green River
136.5 mi
02h 17m
To South Greeley
137 mi
02h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
51°F
Thursday

Slight Chance Snow Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
23 mph W
Destination
58°F
Thursday

Mostly Sunny then Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
25 to 35 mph WNW

Driving Route Map

The map below follows the saved road route between Green River and South Greeley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Green River and South Greeley.

  1. 1

    Start on North 1st East

    11 m · 7 sec · North 1st East

  2. 2

    Turn left onto East Flaming Gorge Way

    1.1 mi · 3 min · East Flaming Gorge Way

  3. 3

    Take the ramp straight toward I 80 East, US 30 East: Rock Springs

    1.1 km · 1 min

  4. 4

    Merge slight left onto Dwight D. Eisenhower Highway

    267.1 mi · 4 hr 24 min · Dwight D. Eisenhower Highway

  5. 5

    Continue on Purple Heart Trail

    2.5 mi · 2 min · Purple Heart Trail

  6. 6

    Take the exit slight right toward I 180, US 85: Central Avenue, Greely

    1266 ft · 34 sec

  7. 7

    Turn right onto North Greeley Highway

    1.2 mi · 1 min · North Greeley Highway

  8. 8

    Turn right onto West College Drive

    1824 ft · 36 sec · West College Drive

  9. 9

    Turn left onto Cedar Avenue

    1319 ft · 43 sec · Cedar Avenue

  10. 10

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

    43 m · 8 sec · Citrus Street

  11. 11

    Turn right onto Rooks Avenue

    663 ft · 29 sec · Rooks Avenue

  12. 12

    Arrive at your destination

    0 m · 1 sec · Rooks Avenue

Car Route Details

A richer read on the saved driving route between Green River and South Greeley.

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
12 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
4.4 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
267 mi · 98%
Purple Heart Trail
2.49 mi · 1%
North Greeley Highway
1.17 mi
East Flaming Gorge Way
1.06 mi
I 80 East
0.67 mi
West College Drive
0.35 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

267 mi · 04h 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 34m
Long day trip
Same-Day Return
09h 08m
Round-trip wheel time
Road vs Air
+29.9 mi
243.6 mi direct line
Halfway Stop
Sinclair
02h 17m from Green River
Leave By
7:52 AM MDT
Early departure recommended
Weather Watch

Slight Chance Snow Showers leaving Green River and Mostly Sunny then Slight Chance Rain Showers near South Greeley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Green River to South Greeley?

The road trip is about 273.5 miles (440.1 km) and usually takes 04h 34m 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?

Sinclair is a useful midpoint, sitting about 136.5 miles from Green River and 137 miles from South Greeley.

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

The direct path is about 243.6 miles (392.1 km), while the road route adds roughly 29.9 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 7:52 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.57 one way or $75.13 round trip. Estimated CO2 is about 85.8 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Snow Showers around Green River and Mostly Sunny then Slight Chance Rain Showers near South Greeley.

Stop Ideas Near Sinclair

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Sinclair and the surrounding midpoint area.
Tully Park
Scenic stop 14.4 mi away

Tully Park

Rawlins , WY
El Rancho Dr & W Elm St, Rawlins, WY 82301
Rating 4.3/5 70 reviews City park,Tourist attraction
Stop photo coming soon
Meeting point 13.5 mi away

City Of Rawlins Public Works Department

Rawlins , WY
915 3rd St, Rawlins, WY 82301
Rating 2.0/5 1 reviews City government office
City Hall
Nearby stop 13.5 mi away

City Hall

Rawlins , WY
521 W Cedar St, Rawlins, WY 82301
Corporate office
Key Club Park
Scenic stop 13.3 mi away

Key Club Park

Rawlins , WY
800 Colorado St, Rawlins, WY 82301
Rating 3.6/5 30 reviews Tourist attraction,Park

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Sinclair.

Transit stop coverage is not ready for this midpoint yet.

Flight Path Map

This map shows the direct air route between Green River and South Greeley. Straight-line distance: 243.63 mi (392.09 km).

Green River

#1 Green River

River in Wyoming, Utah, and Colorado, in the United States, that is a tributary of the Colorado River

Population11,788
Coordinates41.5285800, -109.4662500
Altitude1864
CountryUnited States
South Greeley

#2 South Greeley

Census-designated place in Laramie County, Wyoming

Population4,217
Coordinates41.0969300, -104.8063600
Altitude1843
CountryUnited States
Start: Green River (-109.46625, 41.52858)
End: South Greeley (-104.80636, 41.09693)

Estimated Travel Time

Distance: 440 km by road

SpeedTime
30 mph (48.3 km/h)09h 06m
40 mph (64.37 km/h)06h 50m
50 mph (80.47 km/h)05h 28m
60 mph (96.56 km/h)04h 33m
70 mph (112.65 km/h)03h 54m
80 mph (129 km/h)03h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.65 gal
36.53 L · about $37.57
Round trip
$75.13
19.3 gal · 73.06 L
Estimated CO2
85.8 kg one way
Round trip: 171.5 kg / 378 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $37.57 $75.13
Mid-grade $4.23 $40.83 $81.66
Premium $4.55 $43.90 $87.80
Diesel $5.41 $52.23 $104.45

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 Green River and South Greeley. The current time is 03:13:39.

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.