How far is Afton, WY from Rock Springs, WY?
The driving distance from Afton, WY to Rock Springs, WY is about 183.2 miles (294.9 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 118.4 miles (190.5 km).
- For a round trip, plan for roughly 06h 26m 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 13m.
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.
Rain And Snow
Slight Chance T-storms
Driving Route Map
The map below follows the saved road route between Afton and Rock Springs.
Turn-by-Turn Driving Directions
Step-by-step road directions between Afton and Rock Springs.
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1
Start on the route
33 m · 13 sec
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2
Turn left onto East 4th Avenue
135 m · 25 sec · East 4th Avenue
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3
Turn left onto Washington Street
1.2 mi · 3 min · Washington Street
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4
Continue on US Highway 89
30.9 mi · 36 min · US Highway 89
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5
Turn left
1.3 km · 57 sec
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6
Continue straight
9.5 mi · 10 min
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7
Turn left onto US Highway 30
98 mi · 1 hr 47 min · US Highway 30
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8
Keep slight left to continue on I 80 East
1.2 mi · 3 min
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9
Merge slight left onto Dwight D. Eisenhower Highway
36.5 mi · 36 min · Dwight D. Eisenhower Highway
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10
Take the exit slight right toward College Drive
1937 ft · 23 sec
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11
Turn right onto College Drive
1.2 km · 1 min · College Drive
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12
Turn left onto Grant Street
3208 ft · 1 min · Grant Street
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13
Turn right onto Elk Street
849 ft · 17 sec · Elk Street
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14
Continue on A Street
590 ft · 17 sec · A Street
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15
Turn left onto 2nd Street
2666 ft · 1 min · 2nd Street
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16
Turn right onto Edgar Street
3090 ft · 1 min · Edgar Street
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17
At the end of the road, turn right onto Agate Street
129 m · 24 sec · Agate Street
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18
Turn left onto Collins Street
26 m · 4 sec · Collins Street
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19
Arrive at your destination
0 m · 1 sec · Collins Street
Car Route Details
A richer read on the saved driving route between Afton and Rock Springs.
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 Highway 30
Turn left onto US Highway 30
98 mi · 01h 47m
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.
Rain And Snow leaving Afton and Slight Chance T-storms near Rock Springs.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Afton to Rock Springs?
The road trip is about 183.2 miles (294.9 km) and usually takes 03h 13m 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 90.6 miles from Afton and 92.6 miles from Rock Springs.
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 64.8 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 10:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.19 one way or $50.38 round trip. Estimated CO2 is about 57.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow around Afton and Slight Chance T-storms near Rock Springs.
Flight Path Map
This map shows the direct air route between Afton and Rock Springs. Straight-line distance: 118.4 mi (190.54 km).
#1 Afton
Town in Wyoming, United States
| Population | 2,071 |
| Coordinates | 42.7249300, -110.9318700 |
| Altitude | 1902 |
| Country | United States |
#2 Rock Springs
City in Sweetwater County, Wyoming, United States
| Population | 22,943 |
| Coordinates | 41.5874600, -109.2029000 |
| Altitude | 1947 |
| Country | United States |
End: Collins Street (-109.202964, 41.587676)
Estimated Travel Time
Distance: 295 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 06m |
| 40 mph (64.37 km/h) | 04h 34m |
| 50 mph (80.47 km/h) | 03h 39m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 37m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $25.19 | $50.38 |
| Mid-grade | $4.23 | $27.37 | $54.75 |
| Premium | $4.55 | $29.43 | $58.86 |
| Diesel | $5.41 | $35.02 | $70.03 |
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.