How far is Lander, WY from Casper, WY?

The driving distance from Lander, WY to Casper, WY is about 147.8 miles (237.9 km), with a travel time of about 02h 45m by car.

  • The straight-line flight distance is about 122.5 miles (197.1 km).
  • For a round trip, plan for roughly 05h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
147.83 mi
02h 45m
Flight
122.48 mi
197.11 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Lander.

Flight Distance

Direct air line
122.48 mi
Kilometers
197.11 km
Flight Time
00h 14m

Driving Distance

Road route
147.83 mi
Kilometers
237.91 km
Drive Time
02h 45m

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 02h 45m.

Arrival Snapshot
Arrive in Casper
Thu, Apr 30, 7:40 PM MDT
Return by in Lander
Thu, Apr 30, 10:26 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lander
2026-04-30T16:54
Arrive Casper
Thu, Apr 30, 7:40 PM MDT
Route Timing
02h 45m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:46 AM to 12:46 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:58 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Lander
9:30 PM MDT
Morning start is best

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
Shoshoni
WY

Town of the United States

From Lander
74.1 mi
01h 23m
To Casper
73.7 mi
01h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Thursday

Chance Rain And Snow Showers then Chance Showers And Thunderstorms

Starts
Thu, Apr 30 6:00 AM MDT
Wind
2 to 10 mph N
Destination
52°F
Thursday

Scattered Rain And Snow Showers

Starts
Thu, Apr 30 6:00 AM MDT
Wind
3 to 10 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Main Street

    1956 ft · 41 sec · Main Street

  2. 2

    Turn left

    63.7 mi · 1 hr 13 min

  3. 3

    Continue straight

    76.9 mi · 1 hr 27 min

  4. 4

    Turn left

    2.7 mi · 3 min

  5. 5

    Take the exit right

    2.5 mi · 4 min

  6. 6

    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

  7. 7

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

    1.1 mi · 2 min · Bryan Stock Trail

  8. 8

    Turn left onto East Sunlight Drive

    1.5 km · 4 min · East Sunlight Drive

  9. 9

    Arrive at your destination

    0 m · 1 sec · North Sunlight Drive

Car Route Details

A richer read on the saved driving route between Lander 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
9 steps
4 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
6.1 / 100 mi
Decision points by distance
Main Roads
Main Street
79.8 mi · 54%
Bryan Stock Trail
1.12 mi · 1%
East Sunlight Drive
0.93 mi · 1%
US 20 East
0.33 mi
Longest Stretch

Main Street

Continue straight

76.9 mi · 01h 27m

Route Summary

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

Trip Read

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.

Drive Time
02h 45m
Day trip friendly
Same-Day Return
05h 32m
Round-trip wheel time
Road vs Air
+25.3 mi
122.5 mi direct line
Halfway Stop
Shoshoni
01h 23m from Lander
Leave By
12:58 PM MDT
Morning start is best
Weather Watch

Chance Rain And Snow Showers then Chance Showers And Thunderstorms leaving Lander and Scattered Rain And Snow Showers near Casper.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 147.8 miles (237.9 km) and usually takes 02h 45m 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?

Shoshoni is a useful midpoint, sitting about 74.1 miles from Lander and 73.7 miles from Casper.

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

The direct path is about 122.5 miles (197.1 km), while the road route adds roughly 25.3 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 12:58 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.32 one way or $40.64 round trip. Estimated CO2 is about 46.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain And Snow Showers then Chance Showers And Thunderstorms around Lander and Scattered Rain And Snow Showers near Casper.

Flight Path Map

This map shows the direct air route between Lander and Casper. Straight-line distance: 122.48 mi (197.11 km).

Lander

#1 Lander

City in, and the county seat of, Fremont County, Wyoming, United States

Population7,467
Coordinates42.8330100, -108.7306700
Altitude1632
CountryUnited States
Casper

#2 Casper

The most populous city in Natrona County, Wyoming.

Population58,498
Coordinates42.8666300, -106.3130800
Altitude1560
CountryUnited States
Start: Main Street (-108.730657, 42.833044)
End: North Sunlight Drive (-106.309604, 42.868632)

Estimated Travel Time

Distance: 238 km by road

SpeedTime
30 mph (48.3 km/h)04h 55m
40 mph (64.37 km/h)03h 41m
50 mph (80.47 km/h)02h 57m
60 mph (96.56 km/h)02h 27m
70 mph (112.65 km/h)02h 06m
80 mph (129 km/h)01h 50m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.22 gal
19.75 L · about $20.32
Round trip
$40.64
10.44 gal · 39.5 L
Estimated CO2
46.4 kg one way
Round trip: 92.8 kg / 205 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $20.32 $40.64
Mid-grade $4.23 $22.09 $44.17
Premium $4.55 $23.75 $47.49
Diesel $5.41 $28.25 $56.50

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 30, 2026

There is no time difference between Lander and Casper. The current time is 16:54:36.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — 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.