The distance between South Portland (Maine, USA) and Boston (Massachusetts, USA) is ca. 155,0 km (air line).
Distance between South Portland and other cities and places worldwide
Distance between South Portland and other major cities
Los Angeles4226.7 km
Vancouver4012.8 km- New York City441.6 km
Mexico CIty3799.6 km
London5129.2 km
Paris5398.8 km
Berlin5938.8 km
Stockholm5873.6 km
Tokyo10687.2 km