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Distance from Boston to Portsmouth

Distance is 83 kilometers or 52 miles or 45 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 Boston and Portsmouth

• Location for Boston
• 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 Boston

Latitude:	42°&²Ô²ú²õ±è;21'&²Ô²ú²õ±è;	North
Longitude:	71°&²Ô²ú²õ±è;03'&²Ô²ú²õ±è;	West
Initial heading:	16.8°	North-northeast
Final heading:	17.0°	North-northeast

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Heading from Portsmouth

Latitude:	43°&²Ô²ú²õ±è;05'&²Ô²ú²õ±è;	North
Longitude:	70°&²Ô²ú²õ±è;46'&²Ô²ú²õ±è;	West
Initial heading:	197.0°	South-southwest
Final heading:	196.8°	South-southwest

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