regional and 3d topo map of Koswinna, Sri Lanka ::
Koswinna airports ::
The nearest airport is RML - Colombo Ratmalana, located 94.6 km west of Koswinna.
Other airports nearby include CMB - Bandaranaike Intl Colombo (107.9 km north west), GOY - Galoya Amparai (121.2 km north east), TRR - Trinciomalee China Bay (209.3 km north),