Casper to Lewiston, Idaho: Road Trip Guide & Distance

580 miles 933.4 km · straight line
696 miles estimated 1120.1 km · driving distance
14h 0min estimated drive time
$67 - $82 estimated fuel cost
~1h 40min flight time
299° WNW bearing direction

How far is Casper from Lewiston, Idaho?

The distance from Casper to Lewiston, Idaho is 580 miles (933.4 km) as the crow flies. Lewiston, Idaho is located WNW of Casper. By car, the driving distance is approximately 696 miles, taking about 14h 0min. A direct flight would take roughly 1h 40min. Both are located in United States — Casper in Wyoming and Lewiston, Idaho in Idaho.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Casper and Lewiston, Idaho. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Casper to Lewiston, Idaho

Method Time Est. Cost Best For
Drive 14h 0min $67 - $82 Flexible stops
Fly ~1h 40min $80–200* Speed
Bus ~16h 48min $56–$104* Budget
Train ~18h 12min $84–$244* Comfort

Suggested Stops Between Casper & Lewiston, Idaho

Quick Facts

Casper
42.87°N, 106.31°W
America/Denver
1560m elevation
Lewiston, Idaho
46.42°N, 117.02°W
America/Los_Angeles
227m elevation
Explore more routes from Lewiston, Idaho

Did You Know?

  • At walking speed (3 mph), it would take about 193 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 48 hours
  • You could travel this distance about 42.9 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients