How far is Green River, WY from Arapahoe, WY?

The driving distance from Green River, WY to Arapahoe, WY is about 146.8 miles (236.2 km), with a travel time of about 02h 55m by car.

  • The straight-line flight distance is about 110.9 miles (178.5 km).
  • For a round trip, plan for roughly 05h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
146.76 mi
02h 55m
Flight
110.93 mi
178.52 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Green River.

Flight Distance

Direct air line
110.93 mi
Kilometers
178.52 km
Flight Time
00h 13m

Driving Distance

Road route
146.76 mi
Kilometers
236.18 km
Drive Time
02h 55m

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 02h 55m.

Arrival Snapshot
Arrive in Arapahoe
Thu, Apr 16, 8:46 AM MDT
Return by in Green River
Thu, Apr 16, 11:42 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Green River
2026-04-16T05:51
Arrive Arapahoe
Thu, Apr 16, 8:46 AM MDT
Route Timing
02h 55m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:56 AM to 12:56 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:38 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Green River
9:30 PM MDT
Morning start is best

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
Superior
WY

Town of the United States

From Green River
73.3 mi
01h 27m
To Arapahoe
73.4 mi
01h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Thursday

Slight Chance Rain Showers then Slight Chance T-storms

Starts
Thu, Apr 16 6:00 AM MDT
Wind
7 to 23 mph WSW
Destination
62°F
Thursday

Chance Rain Showers then Rain And Snow Showers Likely

Starts
Thu, Apr 16 6:00 AM MDT
Wind
18 to 25 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Green River and Arapahoe.

  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

    38.1 mi · 43 min · US 191

  8. 8

    Turn right onto Highway 28

    66.5 mi · 1 hr 15 min · Highway 28

  9. 9

    Continue straight

    8.4 mi · 10 min

  10. 10

    Turn right

    11.6 mi · 14 min

  11. 11

    Turn left onto Rendezvous Road

    5.4 mi · 10 min · Rendezvous Road

  12. 12

    Turn sharp left onto Left Hand Ditch Road

    1.3 km · 3 min · Left Hand Ditch Road

  13. 13

    Arrive at your destination

    0 m · 1 sec · Left Hand Ditch Road

Car Route Details

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

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
13 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
8.9 / 100 mi
Decision points by distance
Main Roads
Highway 28
74.9 mi · 51%
US 191
38.1 mi · 26%
Dwight D. Eisenhower Highway
12.8 mi · 9%
Rendezvous Road
5.38 mi · 4%
Elk Street
1.12 mi · 1%
East Flaming Gorge Way
1.06 mi · 1%
Longest Stretch

Highway 28

Turn right onto Highway 28

66.5 mi · 01h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 55m
Day trip friendly
Same-Day Return
05h 52m
Round-trip wheel time
Road vs Air
+35.9 mi
110.9 mi direct line
Halfway Stop
Superior
01h 27m from Green River
Leave By
12:38 PM MDT
Morning start is best
Weather Watch

Slight Chance Rain Showers then Slight Chance T-storms leaving Green River and Chance Rain Showers then Rain And Snow Showers Likely near Arapahoe.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Green River to Arapahoe?

The road trip is about 146.8 miles (236.2 km) and usually takes 02h 55m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Superior is a useful midpoint, sitting about 73.3 miles from Green River and 73.4 miles from Arapahoe.

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

The direct path is about 110.9 miles (178.5 km), while the road route adds roughly 35.9 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 12:38 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.17 one way or $40.33 round trip. Estimated CO2 is about 46 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Slight Chance T-storms around Green River and Chance Rain Showers then Rain And Snow Showers Likely near Arapahoe.

Flight Path Map

This map shows the direct air route between Green River and Arapahoe. Straight-line distance: 110.93 mi (178.52 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
Arapahoe

#2 Arapahoe

Census-designated place in Fremont County, Wyoming

Population1,656
Coordinates42.9621800, -108.4898300
Altitude1526
CountryUnited States
Start: Green River (-109.46625, 41.52858)
End: Arapahoe (-108.48983, 42.96218)

Estimated Travel Time

Distance: 236 km by road

SpeedTime
30 mph (48.3 km/h)04h 53m
40 mph (64.37 km/h)03h 40m
50 mph (80.47 km/h)02h 56m
60 mph (96.56 km/h)02h 26m
70 mph (112.65 km/h)02h 05m
80 mph (129 km/h)01h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.18 gal
19.6 L · about $20.17
Round trip
$40.33
10.36 gal · 39.2 L
Estimated CO2
46 kg one way
Round trip: 92.1 kg / 203 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $20.17 $40.33
Mid-grade $4.23 $21.92 $43.83
Premium $4.55 $23.56 $47.13
Diesel $5.41 $28.03 $56.07

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 16, 2026

There is no time difference between Green River and Arapahoe. The current time is 05:51:17.

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.