Colombo City 1 nautical mile (1.9 km) centering the Parliament - Sri Jayawardenapura Kotte Sapugaskanda Oil Refinery (0.25 nautical miles, 0.46 km) Orugodawatta Petroleum storage tanks. (0.25 nautical miles, 0.46 km) Kolonnawa Petroleum storage complex (0.25 nautical miles, 0.46 km)