How far is Newcastle, WY from Gillette, WY?
Fastest route
The route from Newcastle, Wyoming 82701 to Gillette, Wyoming is approximately 77.5 miles long and takes about 1 hour and 11 minutes via US-16 W and I-90 W. The fastest route is recommended due to traffic conditions.
Directions
- Head southwest on US-16 W/W Main St toward N Railway Ave.
- Continue on US-16 W for about 47.8 miles, passing by Subway on the right.
- Turn right onto I-90BUS and drive for 0.3 miles.
- Take the left ramp to Moorcroft and merge onto I-90 W.
- Travel on I-90 W for about 27.8 miles.
- Take exit 126 for WY-59 toward Douglas and drive for 0.4 miles.
- Turn right onto WY-59 N/S Douglas Hwy, then after 0.7 miles, turn left onto E 4th St.
- Arrive at Gillette, Wyoming.
Tips & Suggestions
- 🚗 Make sure to follow the signs for US-16 W and I-90 W.
- ⛽ Consider refueling your vehicle before starting the journey.
- 🚧 Stay updated on traffic conditions to ensure the fastest route.
- 📱 Use a GPS or navigation app for real-time directions and updates.
- 🛣️ Be prepared for toll roads or road closures, if any.
- 🍽️ Plan for rest stops or dining options along the way, if needed.
- 📅 Check the weather forecast and prepare accordingly for any driving conditions.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 18m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Newcastle and Gillette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Newcastle and Gillette.
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1
Start on West Main Street
2.1 mi · 3 min · West Main Street
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2
Continue on US Highway 16
25 mi · 37 min · US Highway 16
-
3
Continue on 2nd Street
20.4 mi · 30 min · 2nd Street
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4
Continue on East Converse Street
1802 ft · 32 sec · East Converse Street
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5
Turn right onto I-90 Access Road
1523 ft · 32 sec · I-90 Access Road
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6
Take the ramp left
930 ft · 12 sec
-
7
Merge slight left
26.6 mi · 26 min
-
8
Take the exit slight right toward I 90, US 14 West, US 16 West: Gillette
2000 ft · 48 sec
-
9
Continue straight
3228 ft · 1 min
-
10
Turn left onto Stanley Avenue
63 m · 9 sec · Stanley Avenue
-
11
Turn right onto East 4th Street
1.5 km · 2 min · East 4th Street
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12
Arrive at your destination
0 m · 1 sec · East 4th Street
Car Route Details
A richer read on the saved driving route between Newcastle and Gillette.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I-90 Access Road
Merge slight left
26.6 mi · 00h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Newcastle and Mostly Sunny near Gillette.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Newcastle to Gillette?
The road trip is about 76.9 miles (123.8 km) and usually takes 01h 18m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Moorcroft is a useful midpoint, sitting about 38.4 miles from Newcastle and 38.6 miles from Gillette.
How much longer is the road route than the straight-line distance?
The direct path is about 71.1 miles (114.4 km), while the road route adds roughly 5.8 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 3:54 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.59 one way or $21.18 round trip. Estimated CO2 is about 24.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Newcastle and Mostly Sunny near Gillette.
Flight Path Map
This map shows the direct air route between Newcastle and Gillette. Straight-line distance: 71.1 mi (114.43 km).
#1 Newcastle
City in Weston County, Wyoming, United States
| Population | 3,314 |
| Coordinates | 43.8547000, -104.2049400 |
| Altitude | 1319 |
| Country | United States |
#2 Gillette
City in Campbell County, Wyoming, United States
| Population | 32,220 |
| Coordinates | 44.2910900, -105.5022200 |
| Altitude | 1388 |
| Country | United States |
End: East 4th Street (-105.502224, 44.291248)
Estimated Travel Time
Distance: 124 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 33m |
| 40 mph (64.37 km/h) | 01h 55m |
| 50 mph (80.47 km/h) | 01h 32m |
| 60 mph (96.56 km/h) | 01h 16m |
| 70 mph (112.65 km/h) | 01h 05m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $10.59 | $21.18 |
| Mid-grade | $4.23 | $11.51 | $23.02 |
| Premium | $4.55 | $12.37 | $24.75 |
| Diesel | $5.41 | $14.72 | $29.44 |
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.