How far is Casper, WY from North Rock Springs, WY?
The driving distance from Casper, WY to North Rock Springs, WY is about 234.6 miles (377.5 km), with a travel time of about 04h 19m by car.
- The straight-line flight distance is about 173 miles (278.4 km).
- For a round trip, plan for roughly 08h 39m 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 19m.
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 Casper and North Rock Springs.
Turn-by-Turn Driving Directions
Step-by-step road directions between Casper and North Rock Springs.
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1
Start on North Sunlight Drive
1368 ft · 1 min · North Sunlight Drive
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2
Turn right
770 ft · 34 sec
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3
Turn right onto East Sunlight Drive
2655 ft · 2 min · East Sunlight Drive
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4
At the end of the road, turn right onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
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5
Turn right onto East F Street
967 ft · 16 sec · East F Street
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6
Take the ramp straight
2.1 mi · 3 min
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7
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1846 ft · 45 sec
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8
Keep slight left
107 m · 11 sec
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9
Turn left
3 mi · 4 min
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10
Continue on Casper West Belt
7.3 mi · 9 min · Casper West Belt
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11
Turn right onto County Road 308
63.7 mi · 1 hr 12 min · County Road 308
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12
Continue straight
44.1 mi · 51 min
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13
Turn right onto West Spruce Street
1.5 mi · 2 min · West Spruce Street
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14
Take the ramp right
1 km · 1 min
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15
Merge slight left onto Dwight D. Eisenhower Highway
106 mi · 1 hr 43 min · Dwight D. Eisenhower Highway
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16
Take the exit slight right toward US 191 North
1962 ft · 50 sec
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17
Turn right onto Elk Street
1.3 km · 2 min · Elk Street
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18
Turn left onto Yellowstone Road
1.9 mi · 3 min · Yellowstone Road
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19
Turn left onto Mesa Drive
1 km · 3 min · Mesa Drive
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20
Arrive at your destination
0 m · 1 sec · Mesa Drive
Car Route Details
A richer read on the saved driving route between Casper and North Rock Springs.
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 Casper and Sunny near North Rock Springs.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Casper to North Rock Springs?
The road trip is about 234.6 miles (377.5 km) and usually takes 04h 19m 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 117.1 miles from Casper and 117.4 miles from North Rock Springs.
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 61.6 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 8:20 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.23 one way or $64.47 round trip. Estimated CO2 is about 73.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Casper and Sunny near North Rock Springs.
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 Casper and North Rock Springs. Straight-line distance: 173.02 mi (278.45 km).
#1 Casper
The most populous city in Natrona County, Wyoming.
| Population | 58,498 |
| Coordinates | 42.8666300, -106.3130800 |
| Altitude | 1560 |
| Country | United States |
#2 North Rock Springs
Census-designated place in Sweetwater County, Wyoming
| Population | 2,207 |
| Coordinates | 41.6435800, -109.2656800 |
| Altitude | 1977 |
| Country | United States |
End: North Rock Springs (-109.26568, 41.64358)
Estimated Travel Time
Distance: 378 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 41m |
| 60 mph (96.56 km/h) | 03h 54m |
| 70 mph (112.65 km/h) | 03h 21m |
| 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 | $32.23 | $64.47 |
| Mid-grade | $4.23 | $35.03 | $70.07 |
| Premium | $4.55 | $37.67 | $75.33 |
| Diesel | $5.41 | $44.81 | $89.62 |
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.