How far is Powell, WY from Casper, WY?

Fastest route

The distance from Powell, Wyoming 82435, to Casper, Wyoming, is approximately 270 miles (434 kilometers). The estimated travel time is 4 hours and 24 minutes.

Directions

  1. Get on I-90 E/US-14 E/US-87 S in Sheridan County from US-14 ALT E.
  2. Head south on N Bent St toward E 1st St.
  3. Turn left onto US-14 ALT E/E Coulter Ave and continue to follow US-14 ALT E.
  4. Turn right to stay on US-14 ALT E (signs for US-14 E/Lovell).
  5. Turn right onto US-14 ALT/US-310 E/WY-789 S.
    • 🚧 Note: Parts of this road may be closed at certain times or days.
  6. Turn right to merge onto I-90 E/US-14 E/US-87 S toward Sheridan.
  7. Follow I-90 E and I-25 S to Casper. Take exit 186 from I-25 S.
  8. Merge onto I-90 E/US-14 E/US-87 S and continue to follow I-90 E.
  9. Keep right at the fork to continue on US-87 S, follow signs for Interstate 25 S/Casper.
  10. Continue onto I-25 S/US-87 S.
  11. Take exit 186 toward US-20 E/US-26 E/US-87 S/N Beverly St/Bryan Stock Trail.
  12. Drive to N Beverly St.
  13. Continue onto US-87/East E Street.
  14. Turn right onto N Beverly St and continue straight to stay on N Beverly St.

Tips & Suggestions

  • πŸš— Ensure your vehicle is in good condition and has enough fuel for the journey.
  • β›½ Plan for rest stops along the way to avoid fatigue during the drive.
  • 🚧 Stay updated on road closures and construction work, especially on US-14 ALT E.
  • πŸ—ΊοΈ Use GPS or a reliable map app to navigate the route effectively.
  • πŸ“… Check for any specific time or day restrictions on US-14 ALT/US-310 E/WY-789 S.
  • πŸ• Consider starting early to avoid heavy traffic and make the most of daylight.
  • πŸ“ž Keep important contact numbers handy for roadside assistance or emergencies.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
237.79 mi
04h 09m
Flight
178.46 mi
287.21 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Powell.

Flight Distance

Direct air line
178.46 mi
Kilometers
287.21 km
Flight Time
00h 21m

Driving Distance

Road route
237.79 mi
Kilometers
382.68 km
Drive Time
04h 09m

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 09m.

Arrival Snapshot
Arrive in Casper
Thu, Apr 23, 2:49 AM MDT
Return by in Powell
Thu, Apr 23, 6:58 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Powell
2026-04-22T22:39
Arrive Casper
Thu, Apr 23, 2:49 AM MDT
Route Timing
04h 09m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:09 AM to 12:09 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:42 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Powell
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
East Thermopolis
WY

Town of the United States

From Powell
119.3 mi
02h 04m
To Casper
118.5 mi
02h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72Β°F
Wednesday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 28 mph SSW
Destination
73Β°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 32 mph SW

Driving Route Map

The map below follows the saved road route between Powell and Casper.

Turn-by-Turn Driving Directions

Step-by-step road directions between Powell and Casper.

  1. 1

    Start on North Bent Street

    871 ft Β· 26 sec Β· North Bent Street

  2. 2

    Turn right onto East Coulter Avenue

    1.2 mi Β· 2 min Β· East Coulter Avenue

  3. 3

    Continue on Medicine Wheel Passage

    4.2 mi Β· 5 min Β· Medicine Wheel Passage

  4. 4

    Continue on Main Street

    1.2 mi Β· 2 min Β· Main Street

  5. 5

    Continue on Powell Highway

    14.7 mi Β· 16 min Β· Powell Highway

  6. 6

    Turn left onto Beacon Hill Road

    1.8 mi Β· 3 min Β· Beacon Hill Road

  7. 7

    At the end of the road, turn right onto Greybull Highway

    2835 ft Β· 54 sec Β· Greybull Highway

  8. 8

    Turn left

    81.5 mi Β· 1 hr 29 min

  9. 9

    Turn right onto South 8th Street

    2829 ft Β· 2 min Β· South 8th Street

  10. 10

    Turn right onto Shoshoni Street

    1.2 km Β· 2 min Β· Shoshoni Street

  11. 11

    Continue straight

    31 mi Β· 36 min

  12. 12

    Turn left onto East 2nd Street

    33.1 mi Β· 38 min Β· East 2nd Street

  13. 13

    Continue on West US Highway 20-26

    60.7 mi Β· 1 hr 9 min Β· West US Highway 20-26

  14. 14

    Turn left

    2.7 mi Β· 3 min

  15. 15

    Take the exit right

    2.5 mi Β· 4 min

  16. 16

    Take the exit slight right toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail

    1755 ft Β· 41 sec

  17. 17

    At the end of the road, turn left onto Bryan Stock Trail

    1.1 mi Β· 2 min Β· Bryan Stock Trail

  18. 18

    Turn left onto East Sunlight Drive

    1.5 km Β· 4 min Β· East Sunlight Drive

  19. 19

    Arrive at your destination

    0 m Β· 1 sec Β· North Sunlight Drive

Car Route Details

A richer read on the saved driving route between Powell and Casper.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
19 steps
10 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
8 / 100 mi
Decision points by distance
Main Roads
West US Highway 20-26
63.1 mi Β· 27%
East 2nd Street
33.1 mi Β· 14%
Shoshoni Street
31.7 mi Β· 13%
Powell Highway
14.7 mi Β· 6%
Medicine Wheel Passage
4.2 mi Β· 2%
Beacon Hill Road
1.77 mi Β· 1%
Longest Stretch

Longest stretch

Turn left

81.5 mi Β· 01h 29m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 09m
Long day trip
Same-Day Return
08h 18m
Round-trip wheel time
Road vs Air
+59.3 mi
178.5 mi direct line
Halfway Stop
East Thermopolis
02h 04m from Powell
Leave By
8:42 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Powell and Mostly Sunny near Casper.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Powell to Casper?

The road trip is about 237.8 miles (382.7 km) and usually takes 04h 09m 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?

East Thermopolis is a useful midpoint, sitting about 119.3 miles from Powell and 118.5 miles from Casper.

How much longer is the road route than the straight-line distance?

The direct path is about 178.5 miles (287.2 km), while the road route adds roughly 59.3 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 8:42 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $32.66 one way or $65.32 round trip. Estimated CO2 is about 74.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Powell and Mostly Sunny near Casper.

Flight Path Map

This map shows the direct air route between Powell and Casper. Straight-line distance: 178.46 mi (287.21 km).

Powell

#1 Powell

City in Park County, Wyoming, United States

Population6,127
Coordinates44.7538400, -108.7573500
Altitude1339
CountryUnited States
Casper

#2 Casper

The most populous city in Natrona County, Wyoming.

Population58,498
Coordinates42.8666300, -106.3130800
Altitude1560
CountryUnited States
Start: North Bent Street (-108.757586, 44.75384)
End: North Sunlight Drive (-106.309604, 42.868632)

Estimated Travel Time

Distance: 383 km by road

SpeedTime
30 mph (48.3 km/h)07h 55m
40 mph (64.37 km/h)05h 56m
50 mph (80.47 km/h)04h 45m
60 mph (96.56 km/h)03h 57m
70 mph (112.65 km/h)03h 23m
80 mph (129 km/h)02h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.39 gal
31.76 L Β· about $32.66
Round trip
$65.32
16.78 gal Β· 63.52 L
Estimated CO2
74.6 kg one way
Round trip: 149.1 kg / 329 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $32.66 $65.32
Mid-grade $4.23 $35.50 $71.00
Premium $4.55 $38.17 $76.33
Diesel $5.41 $45.41 $90.81

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 Β· Apr 23, 2026

There is no time difference between Powell and Casper. The current time is 22:39:58.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh β€” stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.