Distance Calculator and Radius Map Tool

The World Reference helps you measure straight-line distance, map a travel radius from your location, and compare rough drive, walk, and flight times. Use it to answer questions like "what is 250 miles from me?" or to explore how far a destination sits from a starting point anywhere on Earth.

Explore Radius & Distance Tools

Use the 250-mile and 500-mile tools to draw straight-line radius maps from your current location using great-circle distance.

See popular comparisons on Top 10 Distances and learn how the math works on How It Works.