| population | |
| Kotikawatta | 64565 |
 | Diyawanna Oya Seaplane Base | ~ 2.19 km |
| Kelani-Peliyagoda Seaplane Base | ~ 3.44 km |
| Beira Lake Seaplane Base | ~ 6.18 km |
| Colombo Ratmalana Airport | ~ 11.89 km |
| Dandugama Seaplane Base | ~ 20.63 km |
| Bandaranaike International Colombo Airport | ~ 28.45 km |
| Katukurunda Air Force Base | ~ 42.26 km |
| Bentota River Waterdrome | ~ 55.88 km |
| Castlereagh Lake Seaplane Base | ~ 74.76 km |
