How far is North Rock Springs, WY from Casper, WY?
The driving distance from North Rock Springs, WY to Casper, WY is about 234.1 miles (376.8 km), with a travel time of about 04h 01m by car.
- The straight-line flight distance is about 173 miles (278.4 km).
- For a round trip, plan for roughly 08h 03m 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 01m.
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.
City in Carbon County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between North Rock Springs and Casper.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Rock Springs and Casper.
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1
Start on Mesa Drive
1 km · 3 min · Mesa Drive
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2
At the end of the road, turn right onto Yellowstone Road
1.9 mi · 3 min · Yellowstone Road
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3
At the end of the road, turn right onto Elk Street
1 mi · 2 min · Elk Street
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4
Take the exit left
2197 ft · 54 sec
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5
Merge slight left onto Dwight D. Eisenhower Highway
106.1 mi · 1 hr 43 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
2.7 mi · 3 min
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12
Take the exit right
2.5 mi · 4 min
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13
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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14
At the end of the road, turn left onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
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15
Turn left onto East Sunlight Drive
1.5 km · 4 min · East Sunlight Drive
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16
Arrive at your destination
0 m · 1 sec · North Sunlight Drive
Car Route Details
A richer read on the saved driving route between North Rock Springs and Casper.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
106 mi · 01h 43m
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.
Sunny leaving North Rock Springs and Sunny near Casper.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Rock Springs to Casper?
The road trip is about 234.1 miles (376.8 km) and usually takes 04h 01m 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?
Rawlins is a useful midpoint, sitting about 117.3 miles from North Rock Springs and 116.9 miles from Casper.
How much longer is the road route than the straight-line distance?
The direct path is about 173 miles (278.4 km), while the road route adds roughly 61.1 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 8:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.16 one way or $64.31 round trip. Estimated CO2 is about 73.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around North Rock Springs and Sunny near Casper.
Stop Ideas Near Rawlins
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tully Park
City Of Rawlins Public Works Department
City Hall
Key Club Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rawlins.
Flight Path Map
This map shows the direct air route between North Rock Springs and Casper. Straight-line distance: 173.02 mi (278.45 km).
#1 North Rock Springs
Census-designated place in Sweetwater County, Wyoming
| Population | 2,207 |
| Coordinates | 41.6435800, -109.2656800 |
| Altitude | 1977 |
| 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: North Sunlight Drive (-106.309604, 42.868632)
Estimated Travel Time
Distance: 377 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 48m |
| 40 mph (64.37 km/h) | 05h 51m |
| 50 mph (80.47 km/h) | 04h 40m |
| 60 mph (96.56 km/h) | 03h 54m |
| 70 mph (112.65 km/h) | 03h 20m |
| 80 mph (129 km/h) | 02h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $32.16 | $64.31 |
| Mid-grade | $4.23 | $34.95 | $69.90 |
| Premium | $4.55 | $37.57 | $75.15 |
| Diesel | $5.41 | $44.70 | $89.41 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.