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Distance from Mount Vernon to Portsmouth

Distance is 500 kilometers or 311 miles or 270 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 Mount Vernon and Portsmouth

• Location for Mount Vernon
• 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 .

Heading from Mount Vernon

Latitude:	40°&²Ô²ú²õ±è;55'&²Ô²ú²õ±è;	North
Longitude:	73°&²Ô²ú²õ±è;50'&²Ô²ú²õ±è;	West
Initial heading:	206.0°	South-southwest
Final heading:	204.4°	South-southwest

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Heading from Portsmouth

Latitude:	36°&²Ô²ú²õ±è;50'&²Ô²ú²õ±è;	North
Longitude:	76°&²Ô²ú²õ±è;18'&²Ô²ú²õ±è;	West
Initial heading:	24.4°	North-northeast
Final heading:	26.0°	North-northeast

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