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

The driving distance from Green River, WY to South Park, WY is about 185.9 miles (299.1 km), with a travel time of about 03h 39m by car.

  • The straight-line flight distance is about 147.3 miles (237 km).
  • For a round trip, plan for roughly 07h 19m 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
185.86 mi
03h 39m
Flight
147.27 mi
237.01 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
147.27 mi
Kilometers
237.01 km
Flight Time
00h 17m

Driving Distance

Road route
185.86 mi
Kilometers
299.12 km
Drive Time
03h 39m

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 03h 39m.

Arrival Snapshot
Arrive in South Park
Thu, Jun 11, 2:51 PM MDT
Return by in Green River
Thu, Jun 11, 6:31 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Green River
2026-06-11T11:11
Arrive South Park
Thu, Jun 11, 2:51 PM MDT
Route Timing
03h 39m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
9:40 AM to 11:40 AM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:40 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
Pinedale
WY

Town in Sublette County, Wyoming, United States

From Green River
92.9 mi
01h 49m
To South Park
93 mi
01h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Thursday

Sunny

Starts
Thu, Jun 11 6:00 AM MDT
Wind
3 to 9 mph W
Destination
70°F
Thursday

Sunny

Starts
Thu, Jun 11 6:00 AM MDT
Wind
0 to 6 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    12.8 mi · 13 min · Dwight D. Eisenhower Highway

  5. 5

    Take the exit slight right toward US 191 North

    1730 ft · 44 sec

  6. 6

    Continue on Elk Street

    1.1 mi · 2 min · Elk Street

  7. 7

    Continue on US 191

    85.6 mi · 1 hr 35 min · US 191

  8. 8

    Continue on United States Highway 191

    10.6 mi · 13 min · United States Highway 191

  9. 9

    Continue on US Highway 191

    1995 ft · 43 sec · US Highway 191

  10. 10

    Continue on South Pine Street

    2.2 mi · 5 min · South Pine Street

  11. 11

    Continue on United States Highway 191

    62.3 mi · 1 hr 12 min · United States Highway 191

  12. 12

    Enter the roundabout and take exit 1 toward South Highway 89

    6 m · 1 sec · South Highway 89

  13. 13

    Exit the roundabout onto South Highway 89

    7.5 mi · 10 min · South Highway 89

  14. 14

    Turn left onto South Park Loop Road

    2993 ft · 1 min · South Park Loop Road

  15. 15

    Turn right onto Melody Creek Lane

    1.1 km · 3 min · Melody Creek Lane

  16. 16

    Arrive at your destination

    0 m · 1 sec · Melody Creek Lane

Car Route Details

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

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
16 steps
5 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
8.6 / 100 mi
Decision points by distance
Main Roads
US 191
85.6 mi · 46%
United States Highway 191
73 mi · 39%
Dwight D. Eisenhower Highway
12.8 mi · 7%
South Highway 89
7.5 mi · 4%
South Pine Street
2.19 mi · 1%
Elk Street
1.12 mi · 1%
Longest Stretch

US 191

Continue on US 191

85.6 mi · 01h 35m

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
03h 39m
Long day trip
Same-Day Return
07h 20m
Round-trip wheel time
Road vs Air
+38.6 mi
147.3 mi direct line
Halfway Stop
Pinedale
01h 49m from Green River
Leave By
9:40 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Green River and Sunny near South Park.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 185.9 miles (299.1 km) and usually takes 03h 39m 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?

Pinedale is a useful midpoint, sitting about 92.9 miles from Green River and 93 miles from South Park.

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

The direct path is about 147.3 miles (237 km), while the road route adds roughly 38.6 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 9:40 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.54 one way or $51.08 round trip. Estimated CO2 is about 58.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Green River and Sunny near South Park.

Flight Path Map

This map shows the direct air route between Green River and South Park. Straight-line distance: 147.27 mi (237.01 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 Park

#2 South Park

Census-designated place in Teton County, Wyoming

Population1,731
Coordinates43.4221500, -110.7932600
Altitude1846
CountryUnited States
Start: Green River (-109.46625, 41.52858)
End: South Park (-110.79326, 43.42215)

Estimated Travel Time

Distance: 299 km by road

SpeedTime
30 mph (48.3 km/h)06h 11m
40 mph (64.37 km/h)04h 38m
50 mph (80.47 km/h)03h 43m
60 mph (96.56 km/h)03h 05m
70 mph (112.65 km/h)02h 39m
80 mph (129 km/h)02h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.56 gal
24.83 L · about $25.54
Round trip
$51.08
13.12 gal · 49.66 L
Estimated CO2
58.3 kg one way
Round trip: 116.6 kg / 257 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $25.54 $51.08
Mid-grade $4.23 $27.76 $55.51
Premium $4.55 $29.84 $59.68
Diesel $5.41 $35.50 $71.01

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 · Jun 11, 2026

There is no time difference between Green River and South Park. The current time is 11:11:19.

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.