How far is Rock Springs, WY from Afton, WY?
The driving distance from Rock Springs, WY to Afton, WY is about 180.7 miles (290.8 km), with a travel time of about 03h 22m by car.
- The straight-line flight distance is about 118.4 miles (190.5 km).
- For a round trip, plan for roughly 06h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 22m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Wyoming, USA, seat of Lincoln County
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance T-storms
Rain And Snow
Driving Route Map
The map below follows the saved road route between Rock Springs and Afton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Springs and Afton.
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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
3090 ft · 2 min · Edgar Street
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4
At the end of the road, turn left onto 2nd Street
2666 ft · 1 min · 2nd Street
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5
Turn left onto A Street
131 m · 11 sec · A Street
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6
Turn right onto Blair Avenue
1.2 km · 1 min · Blair Avenue
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7
Turn right onto South Side Belt Route
1966 ft · 47 sec · South Side Belt Route
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8
At the end of the road, turn left onto Dewar Drive
1.3 mi · 2 min · Dewar Drive
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9
Take the ramp left
2200 ft · 54 sec
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10
Merge slight left onto Dwight D. Eisenhower Highway
35.2 mi · 35 min · Dwight D. Eisenhower Highway
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11
Take the exit slight right toward US 30 West: Kemmerer, Pocatello
98.8 mi · 1 hr 49 min
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12
Turn right
9.5 mi · 10 min
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13
Continue straight
1.3 km · 59 sec
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14
Turn right
32.2 mi · 39 min
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15
Turn right onto East 4th Avenue
135 m · 21 sec · East 4th Avenue
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16
Turn right
33 m · 8 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Rock Springs and Afton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 30 West
Take the exit slight right toward US 30 West: Kemmerer, Pocatello
98.8 mi · 01h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Slight Chance T-storms leaving Rock Springs and Rain And Snow near Afton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Springs to Afton?
The road trip is about 180.7 miles (290.8 km) and usually takes 03h 22m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Kemmerer is a useful midpoint, sitting about 90.3 miles from Rock Springs and 90.4 miles from Afton.
How much longer is the road route than the straight-line distance?
The direct path is about 118.4 miles (190.5 km), while the road route adds roughly 62.3 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.80 one way or $49.60 round trip. Estimated CO2 is about 56.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance T-storms around Rock Springs and Rain And Snow near Afton.
Flight Path Map
This map shows the direct air route between Rock Springs and Afton. Straight-line distance: 118.4 mi (190.54 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 Afton
Town in Wyoming, United States
| Population | 2,071 |
| Coordinates | 42.7249300, -110.9318700 |
| Altitude | 1902 |
| Country | United States |
End: Afton (-110.93187, 42.72493)
Estimated Travel Time
Distance: 291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 01m |
| 40 mph (64.37 km/h) | 04h 31m |
| 50 mph (80.47 km/h) | 03h 36m |
| 60 mph (96.56 km/h) | 03h 00m |
| 70 mph (112.65 km/h) | 02h 34m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $24.80 | $49.60 |
| Mid-grade | $4.23 | $26.95 | $53.90 |
| Premium | $4.55 | $28.98 | $57.95 |
| Diesel | $5.41 | $34.47 | $68.95 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.