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