How far is Lyman, WY from Gillette, WY?
The driving distance from Lyman, WY to Gillette, WY is about 414.3 miles (666.7 km), with a travel time of about 06h 55m by car.
- The straight-line flight distance is about 317.5 miles (511 km).
- For a round trip, plan for roughly 13h 51m 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 06h 55m.
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.
Slight Chance T-storms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Lyman and Gillette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lyman and Gillette.
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1
Start on East Owen Street
3 m · 3 sec · East Owen Street
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2
Turn right onto North Main Street
1354 ft · 27 sec · North Main Street
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3
Turn left
2.7 mi · 5 min
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4
Take the ramp right
2026 ft · 49 sec
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5
Merge slight left onto Dwight D. Eisenhower Highway
168.9 mi · 2 hr 44 min · Dwight D. Eisenhower Highway
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6
Take the exit slight right toward I 80 Business East, WY 789 North: Rawlins
1997 ft · 52 sec
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7
Turn left onto West Spruce Street
1.7 mi · 3 min · West Spruce Street
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8
Turn left onto 3rd Street
44.1 mi · 51 min · 3rd Street
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9
Continue straight
63.7 mi · 1 hr 13 min
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10
Turn left onto Casper West Belt
7.3 mi · 9 min · Casper West Belt
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11
Continue straight
3 mi · 4 min
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12
Turn left onto I 25 North, US 87 North: Midwest
1989 ft · 51 sec
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13
Merge slight left
20.1 mi · 19 min
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14
Take the exit slight right toward Horse Ranch Creek Road
1962 ft · 50 sec
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15
Turn right onto Horseshoe Road
17.9 mi · 20 min · Horseshoe Road
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16
Turn right
51.3 mi · 59 min
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17
Turn left onto State Highway 59 South
32.8 mi · 36 min · State Highway 59 South
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18
Continue on South Douglas Highway
5 mi · 10 min · South Douglas Highway
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19
Turn left onto East 4th Street
2116 ft · 1 min · East 4th Street
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20
Arrive at your destination
0 m · 1 sec · East 4th Street
Car Route Details
A richer read on the saved driving route between Lyman and Gillette.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
169 mi · 02h 44m
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.
Slight Chance T-storms leaving Lyman 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 Lyman to Gillette?
The road trip is about 414.3 miles (666.7 km) and usually takes 06h 55m 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?
Bairoil is a useful midpoint, sitting about 210.1 miles from Lyman and 204.2 miles from Gillette.
How much longer is the road route than the straight-line distance?
The direct path is about 317.5 miles (511 km), while the road route adds roughly 96.8 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 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 $56.92 one way or $113.83 round trip. Estimated CO2 is about 129.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance T-storms around Lyman and Mostly Sunny near Gillette.
Flight Path Map
This map shows the direct air route between Lyman and Gillette. Straight-line distance: 317.55 mi (511.04 km).
#1 Lyman
Town in Uinta County, Wyoming
| Population | 2,083 |
| Coordinates | 41.3274500, -110.2929300 |
| Altitude | 2044 |
| 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: 667 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 48m |
| 40 mph (64.37 km/h) | 10h 21m |
| 50 mph (80.47 km/h) | 08h 17m |
| 60 mph (96.56 km/h) | 06h 54m |
| 70 mph (112.65 km/h) | 05h 55m |
| 80 mph (129 km/h) | 05h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $56.92 | $113.83 |
| Mid-grade | $4.23 | $61.86 | $123.71 |
| Premium | $4.55 | $66.51 | $133.01 |
| Diesel | $5.41 | $79.12 | $158.25 |
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.