How far is Rock Springs, WY from Riverton, WY?
The driving distance from Rock Springs, WY to Riverton, WY is about 142.4 miles (229.1 km), with a travel time of about 02h 52m by car.
- The straight-line flight distance is about 107.9 miles (173.6 km).
- For a round trip, plan for roughly 05h 45m 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 52m.
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.
City in, and the county seat of, Fremont County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rock Springs and Riverton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Springs and Riverton.
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1
Start on Collins Street
26 m · 7 sec · Collins Street
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2
Turn right onto Agate Street
129 m · 19 sec · Agate Street
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3
At the end of the road, turn left onto Edgar Street
789 ft · 26 sec · Edgar Street
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4
Turn right onto Virginia Street
905 ft · 40 sec · Virginia Street
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5
At the end of the road, turn right onto James Drive
977 ft · 33 sec · James Drive
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6
At the end of the road, turn left onto South Side Belt Route
2190 ft · 48 sec · South Side Belt Route
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7
Turn right onto 9th Street
2579 ft · 49 sec · 9th Street
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8
Take the ramp left
1707 ft · 26 sec
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9
Merge slight left onto Dwight D. Eisenhower Highway
1.5 mi · 2 min · Dwight D. Eisenhower Highway
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10
Take the exit slight right toward US 191 North
1962 ft · 50 sec
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11
Turn right onto Elk Street
1.4 km · 2 min · Elk Street
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12
Continue on US 191
38.1 mi · 43 min · US 191
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13
Turn right onto Highway 28
66.5 mi · 1 hr 15 min · Highway 28
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14
Continue straight
8.4 mi · 10 min
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15
Turn right
24.7 mi · 29 min
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16
Arrive at your destination
0 m · 1 sec · North Federal Boulevard
Car Route Details
A richer read on the saved driving route between Rock Springs and Riverton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
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.
Mostly Sunny leaving Rock Springs and Mostly Sunny near Riverton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Springs to Riverton?
The road trip is about 142.4 miles (229.1 km) and usually takes 02h 52m 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?
Lander is a useful midpoint, sitting about 71.1 miles from Rock Springs and 71.3 miles from Riverton.
How much longer is the road route than the straight-line distance?
The direct path is about 107.9 miles (173.6 km), while the road route adds roughly 34.5 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 12:44 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.54 one way or $39.09 round trip. Estimated CO2 is about 44.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rock Springs and Mostly Sunny near Riverton.
Flight Path Map
This map shows the direct air route between Rock Springs and Riverton. Straight-line distance: 107.85 mi (173.57 km).
#1 Rock Springs
City in Sweetwater County, Wyoming, United States
| Population | 22,943 |
| Coordinates | 41.5874600, -109.2029000 |
| Altitude | 1947 |
| 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: 229 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 44m |
| 40 mph (64.37 km/h) | 03h 33m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 22m |
| 70 mph (112.65 km/h) | 02h 02m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $19.54 | $39.09 |
| Mid-grade | $4.23 | $21.24 | $42.48 |
| Premium | $4.55 | $22.84 | $45.67 |
| Diesel | $5.41 | $27.17 | $54.34 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.