How far is Casper, WY from South Park, WY?
The driving distance from Casper, WY to South Park, WY is about 294.1 miles (473.3 km), with a travel time of about 05h 53m by car.
- The straight-line flight distance is about 229 miles (368.6 km).
- For a round trip, plan for roughly 11h 47m 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 05h 53m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers Likely
Rain And Snow Showers
Driving Route Map
The map below follows the saved road route between Casper and South Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Casper and South Park.
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1
Start on North Sunlight Drive
1368 ft · 1 min · North Sunlight Drive
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2
Turn right
770 ft · 34 sec
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3
Turn right onto East Sunlight Drive
2655 ft · 2 min · East Sunlight Drive
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4
At the end of the road, turn right onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
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5
Turn right onto East F Street
967 ft · 16 sec · East F Street
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6
Take the ramp straight
2.1 mi · 3 min
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7
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1846 ft · 45 sec
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8
Keep slight left
107 m · 11 sec
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9
Turn left
3 mi · 4 min
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10
Turn right onto West Yellowstone Highway
94.3 mi · 1 hr 47 min · West Yellowstone Highway
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11
Continue straight
17.7 mi · 20 min
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12
Continue straight
4 mi · 5 min
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13
Turn right onto East Main Street
77.9 mi · 1 hr 28 min · East Main Street
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14
Turn left onto East Ramshorn Street
2.2 mi · 3 min · East Ramshorn Street
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15
Continue on US 26 / US 287
53.2 mi · 1 hr · US 26 / US 287
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16
Continue on North Highway 89
23.3 mi · 32 min · North Highway 89
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17
Enter the roundabout and take exit 2 toward North Highway 89
30 m · 6 sec · North Highway 89
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18
Exit the roundabout onto North Highway 89
6 mi · 9 min · North Highway 89
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19
Continue on North Cache Street
1.4 km · 3 min · North Cache Street
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20
Continue on South Cache Drive
120 m · 12 sec · South Cache Drive
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21
Turn right onto West Pearl Avenue
2015 ft · 46 sec · West Pearl Avenue
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22
At the end of the road, turn left onto West Broadway Avenue
1 mi · 3 min · West Broadway Avenue
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23
Continue on South Highway 89
4.3 mi · 7 min · South Highway 89
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24
Turn right onto South Park Loop Road
2993 ft · 1 min · South Park Loop Road
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25
Turn right onto Melody Creek Lane
1.1 km · 3 min · Melody Creek Lane
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26
Arrive at your destination
0 m · 1 sec · Melody Creek Lane
Car Route Details
A richer read on the saved driving route between Casper and South Park.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
West Yellowstone Highway
Turn right onto West Yellowstone Highway
94.3 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 Showers Likely leaving Casper and Rain And Snow Showers near South Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Casper to South Park?
The road trip is about 294.1 miles (473.3 km) and usually takes 05h 53m 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?
Pavillion is a useful midpoint, sitting about 146.8 miles from Casper and 147.3 miles from South Park.
How much longer is the road route than the straight-line distance?
The direct path is about 229 miles (368.6 km), while the road route adds roughly 65.1 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:12 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.41 one way or $80.82 round trip. Estimated CO2 is about 92.2 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers Likely around Casper and Rain And Snow Showers near South Park.
Flight Path Map
This map shows the direct air route between Casper and South Park. Straight-line distance: 229.07 mi (368.65 km).
#1 Casper
The most populous city in Natrona County, Wyoming.
| Population | 58,498 |
| Coordinates | 42.8666300, -106.3130800 |
| Altitude | 1560 |
| Country | United States |
#2 South Park
Census-designated place in Teton County, Wyoming
| Population | 1,731 |
| Coordinates | 43.4221500, -110.7932600 |
| Altitude | 1846 |
| Country | United States |
End: South Park (-110.79326, 43.42215)
Estimated Travel Time
Distance: 473 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 48m |
| 40 mph (64.37 km/h) | 07h 21m |
| 50 mph (80.47 km/h) | 05h 52m |
| 60 mph (96.56 km/h) | 04h 54m |
| 70 mph (112.65 km/h) | 04h 12m |
| 80 mph (129 km/h) | 03h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $40.41 | $80.82 |
| Mid-grade | $4.23 | $43.92 | $87.84 |
| Premium | $4.55 | $47.22 | $94.44 |
| Diesel | $5.41 | $56.18 | $112.35 |
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.