How big is a 10 km radius?
A 10 km radius covers a circular area of about 314 sq km (around 121 sq mi) — roughly the same land area as Philadelphia. Measured edge to edge through the center, the full circle spans 20 km across.
Walking from the center out to the edge covers 10 km, which takes about 2 hr 4 min at a typical walking pace. Driving that same straight-line distance takes about 13 minutes — real travel time varies a lot depending on roads, terrain, and traffic.
What a 10 km radius is used for
- A local delivery or service area for a small business
- A comfortable bike-commute or short drive from home
- "Nearby amenities" radius used in real-estate listings
- A shelter-in-place or local-incident planning radius
Draw a 10 km radius on the map →
FAQ
What is the area of a 10 km radius?
A 10 km radius covers a circular area of about 314 sq km (roughly 121 sq mi) — about the same land area as Philadelphia.
How long would it take to walk or drive 10 km?
Walking from the center to the edge (10 km) takes about 2 hr 4 min at an average walking pace. Driving the same straight-line distance would take about 13 minutes, though actual travel time depends heavily on roads, terrain, and traffic.