How far is Greybull, WY from Riverton, WY?
The driving distance from Greybull, WY to Riverton, WY is about 123.6 miles (198.9 km), with a travel time of about 02h 17m by car.
- The straight-line flight distance is about 102.5 miles (164.9 km).
- For a round trip, plan for roughly 04h 34m 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 17m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Greybull and Riverton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greybull and Riverton.
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1
Start on North 7th Street
25 m · 8 sec · North 7th Street
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2
Turn left onto Greybull Avenue
82 m · 16 sec · Greybull Avenue
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3
Turn right onto South 6th Street
37.5 mi · 42 min · South 6th Street
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4
Turn right onto Russell Avenue
606 ft · 17 sec · Russell Avenue
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5
Continue on North Railway Avenue
2336 ft · 1 min · North Railway Avenue
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6
Turn right onto West Big Horn Avenue
32.4 mi · 39 min · West Big Horn Avenue
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7
Continue on North 6th Street
1.3 km · 2 min · North 6th Street
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8
Turn right onto Shoshoni Street
1.4 km · 2 min · Shoshoni Street
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9
Continue straight
31 mi · 36 min
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10
Turn right onto West 2nd Street
18.2 mi · 21 min · West 2nd Street
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11
Continue straight
3.9 mi · 5 min
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12
Arrive at your destination
0 m · 1 sec · North Federal Boulevard
Car Route Details
A richer read on the saved driving route between Greybull and Riverton.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South 6th Street
Turn right onto South 6th Street
37.5 mi · 00h 42m
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.
Sunny leaving Greybull and Sunny near Riverton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greybull to Riverton?
The road trip is about 123.6 miles (198.9 km) and usually takes 02h 17m 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?
Kirby is a useful midpoint, sitting about 62.6 miles from Greybull and 61 miles from Riverton.
How much longer is the road route than the straight-line distance?
The direct path is about 102.5 miles (164.9 km), while the road route adds roughly 21.1 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 1:56 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.97 one way or $33.95 round trip. Estimated CO2 is about 38.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Greybull and Sunny near Riverton.
Flight Path Map
This map shows the direct air route between Greybull and Riverton. Straight-line distance: 102.45 mi (164.87 km).
#1 Greybull
Town in Big Horn County, Wyoming
| Population | 1,797 |
| Coordinates | 44.4891200, -108.0562100 |
| Altitude | 1156 |
| Country | United States |
#2 Riverton
City in Freemont County, Wyoming
| Population | 10,819 |
| Coordinates | 43.0249600, -108.3801000 |
| Altitude | 1509 |
| Country | United States |
End: North Federal Boulevard (-108.380624, 43.024965)
Estimated Travel Time
Distance: 199 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 07m |
| 40 mph (64.37 km/h) | 03h 05m |
| 50 mph (80.47 km/h) | 02h 28m |
| 60 mph (96.56 km/h) | 02h 03m |
| 70 mph (112.65 km/h) | 01h 45m |
| 80 mph (129 km/h) | 01h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.97 | $33.95 |
| Mid-grade | $4.23 | $18.45 | $36.89 |
| Premium | $4.55 | $19.83 | $39.67 |
| Diesel | $5.41 | $23.60 | $47.19 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.