How much do things cost in Colombo and Buffalo? Buffalo is 82% more expensive than Colombo Buffalo Colombo Small bottle of water (0.33 liter)$1.41$0.36 Large bottle of water$1.74$0.71 Taxi - fixed fee$2.55$0.77 Imported beer (0.33 liter bottle)$2.73$1.96 Last updated on 04/29/2014 source