For all cities with a population greater than five hundred thousand, Sumbawanga is closest to Lubumbashi and farthest from San Jose (CA). The closest foreign city is Lubumbashi and the farthest domestic city is Dar es Salaam. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Sumbawanga is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.