Calculate the straight-line and driving distance between any two cities worldwide.
Enter an origin city and a destination city to compare two notions of separation: straight-line distance and driving distance, reported in miles and kilometers. The tool resolves each city to a geographic location, then contrasts direct geographic separation with the length of a road route. Users are often surprised by the difference. Roads must follow available crossings, coastlines, terrain, borders, and street networks. City names can also be ambiguous, so include the state, province, or country when multiple places share a name.
Provide two city names, preferably with enough regional information to identify each one uniquely. The calculation depends on which locations those names resolve to. A bare name such as Springfield may refer to several cities, while an entry such as Springfield, Illinois, USA identifies the intended place more clearly.
Straight-line distance describes direct geographic separation between the selected city points without tracing streets. Driving distance describes the length of a road route between them. Miles and kilometers are two expressions of the same length. One international mile equals exactly 1.609344 kilometers, so changing units does not change the underlying distance.
The straight-line result connects the selected city locations directly, while a vehicle must remain on usable roads. A road may detour around water, mountains, restricted areas, or gaps in the network. Bridges and border crossings can constrain the route further. For the same endpoints, the road route will normally be longer than the direct geographic separation.
No. Treat it as a city-to-city estimate rather than a turn-by-turn trip total. Your actual mileage can change with the chosen addresses, route options, construction, closures, ferries, and detours. For navigation, confirm the trip in a current routing service using the exact starting point and destination.
The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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