How far is South Park, WY from Casper, WY?

Fastest route

The distance from South Park, Wyoming 83001 to Casper, Wyoming is approximately 287 miles (462 kilometers). The estimated travel time is around 4 hours and 51 minutes. The fastest route at the moment is via US-26 E, considering traffic conditions.

Directions

  1. πŸš— Head northeast on Melody Creek Ln toward Kestrel Ln.
  2. πŸš— Turn left onto 221/S Park Loop Rd.
  3. πŸš— Follow US-26 E to WY-133 N in Johnstown.
  4. πŸš— Turn left onto US-189 N/US-191 N/US-26 E/US-89 N and continue straight on US-191 N/US-26 E/US-89 N/W Broadway.
  5. πŸš— Turn left onto US-191 N/US-26 E/US-89 N/N Cache St at the traffic circle.
  6. πŸš— Take the 2nd exit and stay on US-191 N/US-26 E/US-89 N.
  7. πŸš— Use any lane to turn right onto US-26 E/S 1st St and continue on US-26 E. Take WY-134 E to US-26 E.

Tips & Suggestions

  • β›½ Make sure to have a full tank of gas before starting the journey, especially for long stretches of road with limited services.
  • 🚧 Check the traffic conditions and plan your departure time accordingly to avoid potential delays.
  • πŸ—ΊοΈ Bring a GPS or use a reliable navigation app to ensure you stay on the right track throughout the trip.
  • 🍴 Pack some snacks and drinks for the road to stay energized and hydrated during the journey.
  • πŸš™ Take regular breaks during the drive to stretch your legs and prevent fatigue.
  • 🏨 If the journey is too long, consider making a stopover at a nearby town to rest overnight.
  • πŸŒ„ Enjoy the scenic drive through Wyoming's landscapes; take photos and create lasting memories.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
288.44 mi
05h 24m
Flight
229.07 mi
368.65 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from South Park.

Flight Distance

Direct air line
229.07 mi
Kilometers
368.65 km
Flight Time
00h 27m

Driving Distance

Road route
288.44 mi
Kilometers
464.2 km
Drive Time
05h 24m

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 24m.

Arrival Snapshot
Arrive in Casper
Thu, Apr 23, 2:16 AM MDT
Return by in South Park
Thu, Apr 23, 7:41 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Park
2026-04-22T20:51
Arrive Casper
Thu, Apr 23, 2:16 AM MDT
Route Timing
05h 24m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:25 AM to 1:25 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:10 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in South Park
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
Pavillion
WY

Town of the United States

From South Park
146.8 mi
02h 42m
To Casper
141.7 mi
02h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55Β°F
Wednesday

Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 13 mph SSW
Destination
73Β°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 32 mph SW

Driving Route Map

The map below follows the saved road route between South Park and Casper.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Park and Casper.

  1. 1

    Start on Melody Creek Lane

    1.1 km Β· 3 min Β· Melody Creek Lane

  2. 2

    At the end of the road, turn left onto South Park Loop Road

    2993 ft Β· 1 min Β· South Park Loop Road

  3. 3

    Turn left onto South Highway 89

    4.3 mi Β· 7 min Β· South Highway 89

  4. 4

    Continue on West Broadway Avenue

    1 mi Β· 3 min Β· West Broadway Avenue

  5. 5

    Turn right onto West Pearl Avenue

    2015 ft Β· 50 sec Β· West Pearl Avenue

  6. 6

    Turn left onto South Cache Drive

    120 m Β· 10 sec Β· South Cache Drive

  7. 7

    Continue on North Cache Street

    1.4 km Β· 3 min Β· North Cache Street

  8. 8

    Continue on North Highway 89

    6 mi Β· 9 min Β· North Highway 89

  9. 9

    Enter the roundabout and take exit 2 toward North Highway 89

    34 m Β· 6 sec Β· North Highway 89

  10. 10

    Exit the roundabout onto North Highway 89

    23.3 mi Β· 32 min Β· North Highway 89

  11. 11

    Continue on East Highway 287

    53.2 mi Β· 1 hr Β· East Highway 287

  12. 12

    Continue on West Ramshorn Street

    2.2 mi Β· 3 min Β· West Ramshorn Street

  13. 13

    Turn right onto South 1st Street

    77.9 mi Β· 1 hr 28 min Β· South 1st Street

  14. 14

    At the end of the road, turn left onto North Federal Boulevard

    39 mi Β· 44 min Β· North Federal Boulevard

  15. 15

    Continue straight

    76.9 mi Β· 1 hr 27 min

  16. 16

    Turn left

    2.7 mi Β· 3 min

  17. 17

    Take the exit right

    2.5 mi Β· 4 min

  18. 18

    Take the exit slight right toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail

    1755 ft Β· 41 sec

  19. 19

    At the end of the road, turn left onto Bryan Stock Trail

    1.1 mi Β· 2 min Β· Bryan Stock Trail

  20. 20

    Turn left onto East Sunlight Drive

    1.5 km Β· 4 min Β· East Sunlight Drive

  21. 21

    Arrive at your destination

    0 m Β· 1 sec Β· North Sunlight Drive

Car Route Details

A richer read on the saved driving route between South Park and Casper.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
21 steps
11 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
7.3 / 100 mi
Decision points by distance
Main Roads
North Federal Boulevard
118 mi Β· 41%
South 1st Street
77.9 mi Β· 27%
East Highway 287
53.2 mi Β· 18%
North Highway 89
29.3 mi Β· 10%
South Highway 89
4.34 mi Β· 2%
West Ramshorn Street
2.25 mi Β· 1%
Longest Stretch

South 1st Street

Turn right onto South 1st Street

77.9 mi Β· 01h 28m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 24m
Long day trip
Same-Day Return
10h 50m
Round-trip wheel time
Road vs Air
+59.4 mi
229 mi direct line
Halfway Stop
Pavillion
02h 42m from South Park
Leave By
6:10 AM MDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving South Park and Mostly Sunny near Casper.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Park to Casper?

The road trip is about 288.4 miles (464.2 km) and usually takes 05h 24m 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 South Park and 141.7 miles from Casper.

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 59.4 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 6:10 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $39.63 one way or $79.26 round trip. Estimated CO2 is about 90.5 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around South Park and Mostly Sunny near Casper.

Flight Path Map

This map shows the direct air route between South Park and Casper. Straight-line distance: 229.07 mi (368.65 km).

South Park

#1 South Park

Census-designated place in Teton County, Wyoming

Population1,731
Coordinates43.4221500, -110.7932600
Altitude1846
CountryUnited States
Casper

#2 Casper

The most populous city in Natrona County, Wyoming.

Population58,498
Coordinates42.8666300, -106.3130800
Altitude1560
CountryUnited States
Start: Melody Creek Lane (-110.791774, 43.421005)
End: North Sunlight Drive (-106.309604, 42.868632)

Estimated Travel Time

Distance: 464 km by road

SpeedTime
30 mph (48.3 km/h)09h 36m
40 mph (64.37 km/h)07h 12m
50 mph (80.47 km/h)05h 46m
60 mph (96.56 km/h)04h 48m
70 mph (112.65 km/h)04h 07m
80 mph (129 km/h)03h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.18 gal
38.53 L Β· about $39.63
Round trip
$79.26
20.36 gal Β· 77.06 L
Estimated CO2
90.5 kg one way
Round trip: 180.9 kg / 399 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $39.63 $79.26
Mid-grade $4.23 $43.07 $86.14
Premium $4.55 $46.31 $92.62
Diesel $5.41 $55.09 $110.19

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 Β· Apr 23, 2026

There is no time difference between South Park and Casper. The current time is 20:51:46.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh β€” stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.