| Galveston to Castrovillari | 5,934.31 mi (9,550.35 km) |
| Galveston to Catania | 5,977.17 mi (9,619.32 km) |
| Galveston to Catanzaro | 5,988.45 mi (9,637.48 km) |
| Galveston to Cattolica | 5,626.08 mi (9,054.31 km) |
| Galveston to Cava de' Tirreni | 5,834.54 mi (9,389.78 km) |
| Galveston to Cavallino | 5,999.72 mi (9,655.62 km) |
| Galveston to Cavarzere | 5,555.60 mi (8,940.88 km) |
| Galveston to Cave | 5,715.38 mi (9,198.02 km) |
| Galveston to Cavriago | 5,507.04 mi (8,862.72 km) |
| Galveston to Cavriglia | 5,590.05 mi (8,996.32 km) |
| Galveston to Cazzago San Martino | 5,454.44 mi (8,778.08 km) |
| Galveston to Ceccano | 5,742.11 mi (9,241.03 km) |
| Galveston to Cecina | 5,556.07 mi (8,941.63 km) |
| Galveston to Cefalu | 5,907.97 mi (9,507.95 km) |
| Galveston to Ceglie Messapico | 5,956.44 mi (9,585.96 km) |
