Finding the distance between cities is rather easy with the resources that are online now. Free distance calculator websites can be used anytime you would like to plan long trips or just calculate the distance between cities.

Simply choose a starting city and destination city and these distance calculator websites estimate the distance between the two either in kilometers or miles. In some cases these sites can even calculate the distance between cities either driving or as a straight line.

Most of these distance calculators now support locations worldwide, not just within the US. These services are provided for free with unlimited access. TravelMath Flight Distance Calculator also offers other options such as flight time, closest airport, driving or flight distance, drive time, hotels in the area, major cities, time difference, fuel costs of driving, flight emissions and latitude/longitude.

Here are a few popular distance calculator websites:

ConvertIt Driving Distance Calculator
Infoplease Distance Calculator
GeoBytes City Distance Tool
MapCrow
Symsys Mileage Calculator
TravelMath Flight Distance Calculator
World Atlas Travel Distance Calculator