Distance from Allentown to Portsmouth

Distance is 421 kilometers or 262 miles or 228 nautical miles

The distance is the theoretical air distance (great circle distance). Flying between the two locations' airports can be a different distance, depending on airport location and actual route chosen.

Map - Shortest path between Allentown and Portsmouth

Map - Shortest path between Allentown and Portsmouth
  • Location for Allentown
  • Location for Portsmouth
The map is using a projection that makes land and oceans much wider near the south and north poles. The heading/course/bearing during a flight varies in most cases. Map based on image from NASA.

Heading from Allentown

Latitude: 40° 35' North
Longitude: 75° 28' West
Initial heading:190.7°SouthSouth
Final heading:190.2°SouthSouth

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Heading from Portsmouth

Latitude: 36° 51' North
Longitude: 76° 21' West
Initial heading:10.2°NorthNorth
Final heading:10.7°NorthNorth

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Local time comparison

LocationLocal time
Allentown (U.S.A. - Pennsylvania)Saturday, December 20, 2014 at 3:17:24 PM
Portsmouth (U.S.A. - Virginia)Saturday, December 20, 2014 at 3:17:24 PM

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