indice ultravioletti a Newburyport (2.3 mi.) | indice ultravioletti a Merrimacport (4 mi.) | indice ultravioletti a Plum Island (Merrimack River Entrance) (5 mi.) | indice ultravioletti a Hampton Harbor (6 mi.) | indice ultravioletti a Riverside (Haverhill) (9 mi.) | indice ultravioletti a Plum Island South (11 mi.) | indice ultravioletti a Squamscott River Rr. Bridge (15 mi.) | indice ultravioletti a Essex (16 mi.) | indice ultravioletti a Annisquam (17 mi.) | indice ultravioletti a Gosport Harbor (Isles Of Shoals) (18 mi.) | indice ultravioletti a Jaffrey Point (18 mi.) | indice ultravioletti a Portsmouth (19 mi.) | indice ultravioletti a Seavey Island (19 mi.) | indice ultravioletti a Atlantic Heights (19 mi.) | indice ultravioletti a Fort Point (19 mi.) | indice ultravioletti a Rockport (19 mi.) | indice ultravioletti a Gerrish Island (19 mi.) | indice ultravioletti a Dover Point (20 mi.) | indice ultravioletti a Kittery Point (20 mi.) | indice ultravioletti a Gloucester Harbor (20 mi.)