Guam is about 30 miles (roughly 48–49 kilometers) long from north to south.

Quick Scoop: How long is Guam?

  • Length: About 30 miles (48–49 km) from end to end.
  • Width: Generally between about 4 and 12 miles (6–19 km), depending on where you measure.
  • Total area: Around 212 square miles (about 549 square kilometers).

To put that in perspective, you could drive the full length of Guam in well under an hour without stops, assuming normal traffic and speed limits.

Information gathered from public forums or data available on the internet and portrayed here.