How far is Gillette, WY from South Park, WY?
The driving distance from Gillette, WY to South Park, WY is about 417.8 miles (672.4 km), with a travel time of about 08h 10m by car.
- The straight-line flight distance is about 270.3 miles (435 km).
- For a round trip, plan for roughly 16h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 10m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Gillette and South Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gillette and South Park.
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1
Start on East 4th Street
2116 ft · 1 min · East 4th Street
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2
Turn right onto South Douglas Highway
5 mi · 10 min · South Douglas Highway
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3
Continue on State Highway 59 South
32.8 mi · 36 min · State Highway 59 South
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4
Turn right
51.3 mi · 59 min
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5
Turn left
18.1 mi · 21 min
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6
Take the exit left toward I 25 South: Casper
2173 ft · 53 sec
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7
Merge slight left
20.1 mi · 19 min
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8
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1757 ft · 43 sec
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9
Keep slight left
577 ft · 17 sec
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10
Turn right
2.7 mi · 3 min
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11
Turn right onto West Yellowstone Highway
94.3 mi · 1 hr 47 min · West Yellowstone Highway
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12
Continue straight
17.7 mi · 20 min
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13
Continue straight
4 mi · 5 min
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14
Turn right onto East Main Street
77.9 mi · 1 hr 28 min · East Main Street
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15
Turn left onto East Ramshorn Street
2.2 mi · 3 min · East Ramshorn Street
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16
Continue on US 26 / US 287
53.2 mi · 1 hr · US 26 / US 287
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17
Continue on North Highway 89
23.3 mi · 32 min · North Highway 89
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18
Enter the roundabout and take exit 2 toward North Highway 89
30 m · 6 sec · North Highway 89
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19
Exit the roundabout onto North Highway 89
6 mi · 9 min · North Highway 89
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20
Continue on North Cache Street
1.4 km · 3 min · North Cache Street
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21
Continue on South Cache Drive
120 m · 12 sec · South Cache Drive
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22
Turn right onto West Pearl Avenue
2015 ft · 46 sec · West Pearl Avenue
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23
At the end of the road, turn left onto West Broadway Avenue
1 mi · 3 min · West Broadway Avenue
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24
Continue on South Highway 89
4.3 mi · 7 min · South Highway 89
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25
Turn right onto South Park Loop Road
2993 ft · 1 min · South Park Loop Road
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26
Turn right onto Melody Creek Lane
1.1 km · 3 min · Melody Creek Lane
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27
Arrive at your destination
0 m · 1 sec · Melody Creek Lane
Car Route Details
A richer read on the saved driving route between Gillette and South Park.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Rain And Snow Showers Likely leaving Gillette 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 Gillette to South Park?
The road trip is about 417.8 miles (672.4 km) and usually takes 08h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Shoshoni is a useful midpoint, sitting about 208.7 miles from Gillette and 209.2 miles from South Park.
How much longer is the road route than the straight-line distance?
The direct path is about 270.3 miles (435 km), while the road route adds roughly 147.5 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 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $57.38 one way or $114.77 round trip. Estimated CO2 is about 131 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers Likely around Gillette and Rain And Snow Showers near South Park.
Flight Path Map
This map shows the direct air route between Gillette and South Park. Straight-line distance: 270.3 mi (435.01 km).
#1 Gillette
City in Campbell County, Wyoming, United States
| Population | 32,220 |
| Coordinates | 44.2910900, -105.5022200 |
| Altitude | 1388 |
| 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: 672 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 55m |
| 40 mph (64.37 km/h) | 10h 26m |
| 50 mph (80.47 km/h) | 08h 21m |
| 60 mph (96.56 km/h) | 06h 57m |
| 70 mph (112.65 km/h) | 05h 58m |
| 80 mph (129 km/h) | 05h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $57.38 | $114.77 |
| Mid-grade | $4.23 | $62.36 | $124.73 |
| Premium | $4.55 | $67.05 | $134.10 |
| Diesel | $5.41 | $79.77 | $159.55 |
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.