Shortest distance between Post Falls and Caldwell is 280.46 miles (451.36 km).
Flight distance from Post Falls, ID to Caldwell, ID is 280.46 miles. Estimated flight time is 00 hours 47 minutes.
It takes 00 hours 42 minutes to travel from Post Falls to Caldwell with an airplane (average speed of 550 miles).
The driving distance from Post Falls, Idaho to Caldwell, Idaho is: 393.43 miles (633.17 km) by car.
Driving from Post Falls to Caldwell will take approximately 07 hours 07 minutes.
The distance between Post Falls and Caldwell is 633 km if you choose to drive by road. You can go 07 hours 02 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
Please keep in mind that there is a 1 hour time gap between Post Falls, ID and Caldwell, ID. The current time in Post Falls is 00:57:22, although it is 01:57:22 in Caldwell.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||13 hours 06 minutes|
|40 mph (64.37 km/h)||09 hours 50 minutes|
|50 mph (80.47 km/h)||07 hours 52 minutes|
|60 mph (96.56 km/h)||06 hours 33 minutes|
|70 mph (112.65 km/h)||05 hours 37 minutes|
|75 mph (120.7 km/h)||05 hours 14 minutes|
|80 mph (128.75 km/h)||04 hours 54 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 52.55 liters (13.88 gallon) of gas to cover the route between Post Falls and Caldwell.
The estimated cost of gas to go from Post Falls to Caldwell is $46.12 (diesel $50.96).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $3.322 (Diesel $3.671) /gallon. Last changed prices on October 21, 2021.
The place names are translated into coordinates to approximate the distance between Post Falls and Caldwell (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.