How far is Stanley, ND from Casper, WY?
The driving distance from Stanley, ND to Casper, WY is about 592.1 miles (952.9 km), with a travel time of about 10h 33m by car.
- The straight-line flight distance is about 421.5 miles (678.4 km).
- For a round trip, plan for roughly 21h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 10h 33m.
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.
Rosebud county seat and river town near Yellowstone River
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Stanley and Casper.
Turn-by-Turn Driving Directions
Step-by-step road directions between Stanley and Casper.
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1
Start on 2nd Avenue Southeast
15 m · 8 sec · 2nd Avenue Southeast
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2
Turn left onto Main Street
1695 ft · 30 sec · Main Street
-
3
Turn right onto 6th Avenue Southeast
1511 ft · 1 min · 6th Avenue Southeast
-
4
Turn left onto 4th Street Southwest
1975 ft · 1 min · 4th Street Southwest
-
5
Turn right
76.8 mi · 1 hr 30 min
-
6
Turn left onto State Highway 1804
15.9 mi · 21 min · State Highway 1804
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7
Turn straight onto State Highway 58
9.7 mi · 11 min · State Highway 58
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8
Enter the roundabout and take exit 1 toward State Highway 200
3 m · 1 sec · State Highway 200
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9
Exit the roundabout onto State Highway 200
1640 ft · 31 sec · State Highway 200
-
10
Continue straight
679 ft · 9 sec
-
11
Enter the roundabout and take exit 2 toward the route
41 m · 2 sec
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12
Exit the roundabout
14.2 mi · 16 min
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13
Enter the roundabout and take exit 2 toward the route
41 m · 2 sec
-
14
Exit the roundabout
48.9 mi · 56 min
-
15
Take the exit right
1385 ft · 34 sec
-
16
Merge slight left
162.7 mi · 2 hr 38 min
-
17
Take the exit slight right
1206 ft · 35 sec
-
18
Turn left
18.3 mi · 32 min
-
19
Keep slight right
10.6 mi · 15 min
-
20
Take the ramp left
1469 ft · 36 sec
-
21
Merge slight left
68.4 mi · 1 hr 6 min
-
22
Continue straight
47.8 mi · 48 min
-
23
Take the exit slight right toward I 25 South, US 87 South: Casper
114.2 mi · 1 hr 49 min
-
24
Take the exit slight right toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail
1755 ft · 41 sec
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25
At the end of the road, turn left onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
-
26
Turn left onto East Sunlight Drive
1.5 km · 4 min · East Sunlight Drive
-
27
Arrive at your destination
0 m · 1 sec · North Sunlight Drive
Car Route Details
A richer read on the saved driving route between Stanley and Casper.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
State Highway 200
Merge slight left
163 mi · 02h 38m
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.
Chance Rain Showers leaving Stanley 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 Stanley to Casper?
The road trip is about 592.1 miles (952.9 km) and usually takes 10h 33m 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?
Forsyth is a useful midpoint, sitting about 295.8 miles from Stanley and 296.3 miles from Casper.
How much longer is the road route than the straight-line distance?
The direct path is about 421.5 miles (678.4 km), while the road route adds roughly 170.6 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 CDT. 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 $88.68 one way or $177.36 round trip. Estimated CO2 is about 185.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Stanley and Casper, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Stanley and Mostly Sunny near Casper.
Stop Ideas Near Forsyth
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Forsyth.
Miles City, MT
Flight Path Map
This map shows the direct air route between Stanley and Casper. Straight-line distance: 421.52 mi (678.37 km).
#1 Stanley
City in North Dakota
| Population | 2,708 |
| Coordinates | 48.3172400, -102.3904500 |
| Altitude | 684 |
| Country | United States |
#2 Casper
The most populous city in Natrona County, Wyoming.
| Population | 58,498 |
| Coordinates | 42.8666300, -106.3130800 |
| Altitude | 1560 |
| Country | United States |
End: Casper (-106.31308, 42.86663)
Estimated Travel Time
Distance: 953 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 19h 43m |
| 40 mph (64.37 km/h) | 14h 48m |
| 50 mph (80.47 km/h) | 11h 50m |
| 60 mph (96.56 km/h) | 09h 52m |
| 70 mph (112.65 km/h) | 08h 27m |
| 80 mph (129 km/h) | 07h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.25 | $88.68 | $177.36 |
| Mid-grade | $4.70 | $98.10 | $196.20 |
| Premium | $5.18 | $108.19 | $216.38 |
| Diesel | $6.24 | $130.33 | $260.67 |
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 North Dakota · Sep 23, 2026