How far is Riverton, WY from Bar Nunn, WY?

The driving distance from Riverton, WY to Bar Nunn, WY is about 122.5 miles (197.1 km), with a travel time of about 02h 21m by car.

  • The straight-line flight distance is about 103.3 miles (166.2 km).
  • For a round trip, plan for roughly 04h 42m 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
122.48 mi
02h 21m
Flight
103.25 mi
166.17 km direct

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

Learn Distance

Choose another destination from Riverton.

Flight Distance

Direct air line
103.25 mi
Kilometers
166.17 km
Flight Time
00h 12m

Driving Distance

Road route
122.48 mi
Kilometers
197.12 km
Drive Time
02h 21m

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 21m.

Arrival Snapshot
Arrive in Bar Nunn
Sat, Apr 18, 5:38 AM MDT
Return by in Riverton
Sat, Apr 18, 8:00 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Riverton
2026-04-18T03:17
Arrive Bar Nunn
Sat, Apr 18, 5:38 AM MDT
Route Timing
02h 21m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:21 AM to 12:21 PM MDT

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

Leave by
1:48 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Riverton
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
Shoshoni
WY

Town of the United States

From Riverton
61.1 mi
01h 10m
To Bar Nunn
61.3 mi
01h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
5 to 8 mph SSW
Destination
47°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
14 to 17 mph W

Driving Route Map

The map below follows the saved road route between Riverton and Bar Nunn.

Turn-by-Turn Driving Directions

Step-by-step road directions between Riverton and Bar Nunn.

  1. 1

    Start on North Federal Boulevard

    39 mi · 44 min · North Federal Boulevard

  2. 2

    Continue straight

    76.9 mi · 1 hr 27 min

  3. 3

    Turn left

    3 mi · 4 min

  4. 4

    Turn left onto I 25 North, US 87 North: Midwest

    1989 ft · 51 sec

  5. 5

    Merge slight left

    1.4 mi · 1 min

  6. 6

    Take the exit slight right toward Wardwell Road

    1785 ft · 50 sec

  7. 7

    Turn left onto Howard Street

    1134 ft · 25 sec · Howard Street

  8. 8

    Turn right onto Salt Creek Highway

    1.1 mi · 2 min · Salt Creek Highway

  9. 9

    Turn left onto Sunset Boulevard

    1336 ft · 37 sec · Sunset Boulevard

  10. 10

    Arrive at your destination

    0 m · 1 sec · Sunset Boulevard

Car Route Details

A richer read on the saved driving route between Riverton and Bar Nunn.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
10 steps
5 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
8.2 / 100 mi
Decision points by distance
Main Roads
North Federal Boulevard
116 mi · 95%
I 25 North
1.76 mi · 1%
Salt Creek Highway
1.07 mi · 1%
Wardwell Road
0.34 mi
Sunset Boulevard
0.25 mi
Howard Street
0.21 mi
Longest Stretch

North Federal Boulevard

Continue straight

76.9 mi · 01h 27m

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 21m
Day trip friendly
Same-Day Return
04h 42m
Round-trip wheel time
Road vs Air
+19.2 mi
103.3 mi direct line
Halfway Stop
Shoshoni
01h 10m from Riverton
Leave By
1:48 PM MDT
Morning start is best
Weather Watch

Sunny leaving Riverton and Mostly Sunny near Bar Nunn.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Riverton to Bar Nunn?

The road trip is about 122.5 miles (197.1 km) and usually takes 02h 21m 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?

Shoshoni is a useful midpoint, sitting about 61.1 miles from Riverton and 61.3 miles from Bar Nunn.

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

The direct path is about 103.3 miles (166.2 km), while the road route adds roughly 19.2 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 1:48 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $16.82 one way or $33.64 round trip. Estimated CO2 is about 38.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Riverton and Mostly Sunny near Bar Nunn.

Flight Path Map

This map shows the direct air route between Riverton and Bar Nunn. Straight-line distance: 103.25 mi (166.17 km).

Riverton

#1 Riverton

City in Freemont County, Wyoming

Population10,819
Coordinates43.0249600, -108.3801000
Altitude1509
CountryUnited States
Bar Nunn

#2 Bar Nunn

Town of the United States

Population2,870
Coordinates42.9135800, -106.3433600
Altitude1611
CountryUnited States
Start: Riverton (-108.3801, 43.02496)
End: Bar Nunn (-106.34336, 42.91358)

Estimated Travel Time

Distance: 197 km by road

SpeedTime
30 mph (48.3 km/h)04h 04m
40 mph (64.37 km/h)03h 03m
50 mph (80.47 km/h)02h 26m
60 mph (96.56 km/h)02h 02m
70 mph (112.65 km/h)01h 44m
80 mph (129 km/h)01h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.32 gal
16.36 L · about $16.82
Round trip
$33.64
8.64 gal · 32.72 L
Estimated CO2
38.4 kg one way
Round trip: 76.8 kg / 169 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $16.82 $33.64
Mid-grade $4.23 $18.28 $36.56
Premium $4.55 $19.65 $39.30
Diesel $5.41 $23.38 $46.76

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 18, 2026

There is no time difference between Riverton and Bar Nunn. The current time is 03:17:20.

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.