Is there a bus to Casper?

There is no direct bus service from Kimball to Casper.

How long is the drive?

The drive takes approximately 7 hours.

No, there are no toll roads on this route.

What is the best highway?

I-90 West and I-25 South are the primary highways.

Is it safe to drive in winter?

Winter driving can be hazardous; check weather reports before departing.

Kimball

Casper

Driving

Kimball to Casper

Updated: 28 May 2026

The route from Kimball to Casper spans roughly 750 kilometers, primarily following I-90 West. You will traverse the scenic landscapes of western South Dakota before entering the high plains of Wyoming. The drive typically takes 7 hours, passing through major hubs like Rapid City. This journey offers a transition from rolling farmland to the rugged terrain of the Rocky Mountain foothills. It is a popular route for travelers heading toward the mountains.

Total Distance: 750 km driving distance; 680 km straight-line air distance.

Fastest Way

Driving is the only practical mode, taking 7 hours via I-90 and I-25.

Cheapest Way

Driving your own vehicle is the most economical choice, costing roughly $100 in fuel.

Compare Kimball to Casper Routes

Driving

Direct

Duration

7 hours

Avg Price

$90-$120 in fuel

Operator

Personal Vehicle

Route

I-90 West to I-25 South

Stop in Rapid City for a meal to break up the long drive.

Travel Tips

Elevation
Be aware that you are gaining significant elevation as you approach Casper.
Wind
Wyoming is known for high winds; keep a firm grip on the steering wheel.
Supplies
Stock up on water and snacks in Rapid City before the final stretch to Casper.
Time Zone
You will remain in the Mountain Time Zone for the majority of the drive.
Road Conditions
Check the Wyoming DOT website for real-time wind and road closure updates.

Safety Tips

Wildlife
Watch for antelope and deer near the highway, especially at dusk.
Emergency Kit
Carry a winter emergency kit even in summer due to unpredictable mountain weather.
Fueling
Do not let your fuel gauge drop below a quarter tank in rural Wyoming.
Braking
Use lower gears when descending mountain passes to prevent brake overheating.