How far is Riverton, WY from Mills, WY?
The driving distance from Riverton, WY to Mills, WY is about 118.4 miles (190.6 km), with a travel time of about 02h 15m by car.
- The straight-line flight distance is about 102.7 miles (165.3 km).
- For a round trip, plan for roughly 04h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
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.
This route works well as a day trip with time at the destination.
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 02h 15m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain And Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Riverton and Mills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Riverton and Mills.
-
1
Start on North Federal Boulevard
39 mi · 44 min · North Federal Boulevard
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2
Continue straight
78.4 mi · 1 hr 30 min
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3
Turn right onto Southwest Wyoming Boulevard
1.4 km · 1 min · Southwest Wyoming Boulevard
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4
Turn left onto 1st Street
956 ft · 26 sec · 1st Street
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5
Arrive at your destination
0 m · 1 sec · 1st Street
Car Route Details
A richer read on the saved driving route between Riverton and Mills.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
North Federal Boulevard
Continue straight
78.4 mi · 01h 30m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Rain Showers leaving Riverton and Rain And Snow Showers Likely near Mills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Riverton to Mills?
The road trip is about 118.4 miles (190.6 km) and usually takes 02h 15m 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 59.1 miles from Riverton and 59.3 miles from Mills.
How much longer is the road route than the straight-line distance?
The direct path is about 102.7 miles (165.3 km), while the road route adds roughly 15.7 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 1:58 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.27 one way or $32.55 round trip. Estimated CO2 is about 37.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Riverton and Rain And Snow Showers Likely near Mills.
Flight Path Map
This map shows the direct air route between Riverton and Mills. Straight-line distance: 102.69 mi (165.26 km).
#1 Riverton
City in Freemont County, Wyoming
| Population | 10,819 |
| Coordinates | 43.0249600, -108.3801000 |
| Altitude | 1509 |
| Country | United States |
#2 Mills
Town in Wyoming, United States
| Population | 4,077 |
| Coordinates | 42.8405200, -106.3658600 |
| Altitude | 1562 |
| Country | United States |
End: Mills (-106.36586, 42.84052)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 56m |
| 40 mph (64.37 km/h) | 02h 57m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.27 | $32.55 |
| Mid-grade | $4.23 | $17.69 | $35.37 |
| Premium | $4.55 | $19.01 | $38.03 |
| Diesel | $5.41 | $22.62 | $45.24 |
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.