How far is Gillette, WY from Arapahoe, WY?
The driving distance from Gillette, WY to Arapahoe, WY is about 255.3 miles (410.9 km), with a travel time of about 04h 54m by car.
- The straight-line flight distance is about 175.4 miles (282.2 km).
- For a round trip, plan for roughly 09h 49m 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 04h 54m.
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.
The most populous city in Natrona County, Wyoming.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Gillette and Arapahoe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gillette and Arapahoe.
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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
5.6 mi · 7 min
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14
Turn right onto Rendezvous Road
2.9 mi · 3 min · Rendezvous Road
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15
Continue on Rendezvous Road
2.7 mi · 5 min · Rendezvous Road
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16
Turn right onto Left Hand Ditch Road
1.3 km · 3 min · Left Hand Ditch Road
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17
Arrive at your destination
0 m · 1 sec · Left Hand Ditch Road
Car Route Details
A richer read on the saved driving route between Gillette and Arapahoe.
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.
Mostly Sunny leaving Gillette and Sunny near Arapahoe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gillette to Arapahoe?
The road trip is about 255.3 miles (410.9 km) and usually takes 04h 54m 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?
Casper is a useful midpoint, sitting about 127.5 miles from Gillette and 127.8 miles from Arapahoe.
How much longer is the road route than the straight-line distance?
The direct path is about 175.4 miles (282.2 km), while the road route adds roughly 79.9 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 7:10 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.08 one way or $70.15 round trip. Estimated CO2 is about 80.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gillette and Sunny near Arapahoe.
Stop Ideas Near Casper
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 Casper.
Casper, Wyoming
Douglas, Wyoming
Flight Path Map
This map shows the direct air route between Gillette and Arapahoe. Straight-line distance: 175.36 mi (282.21 km).
#1 Gillette
City in Campbell County, Wyoming, United States
| Population | 32,220 |
| Coordinates | 44.2910900, -105.5022200 |
| Altitude | 1388 |
| Country | United States |
#2 Arapahoe
Census-designated place in Fremont County, Wyoming
| Population | 1,656 |
| Coordinates | 42.9621800, -108.4898300 |
| Altitude | 1526 |
| Country | United States |
End: Arapahoe (-108.48983, 42.96218)
Estimated Travel Time
Distance: 411 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 30m |
| 40 mph (64.37 km/h) | 06h 23m |
| 50 mph (80.47 km/h) | 05h 06m |
| 60 mph (96.56 km/h) | 04h 15m |
| 70 mph (112.65 km/h) | 03h 38m |
| 80 mph (129 km/h) | 03h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $35.08 | $70.15 |
| Mid-grade | $4.23 | $38.12 | $76.24 |
| Premium | $4.55 | $40.99 | $81.97 |
| Diesel | $5.41 | $48.76 | $97.52 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.