| Effingham to Castrovillari | 5,208.72 mi (8,382.63 km) |
| Effingham to Catania | 5,263.25 mi (8,470.39 km) |
| Effingham to Catanzaro | 5,265.41 mi (8,473.86 km) |
| Effingham to Cattolica | 4,892.21 mi (7,873.26 km) |
| Effingham to Cava de' Tirreni | 5,108.84 mi (8,221.88 km) |
| Effingham to Cavallino | 5,268.13 mi (8,478.23 km) |
| Effingham to Cavarzere | 4,818.74 mi (7,755.02 km) |
| Effingham to Cave | 4,989.06 mi (8,029.12 km) |
| Effingham to Cavriago | 4,774.33 mi (7,683.54 km) |
| Effingham to Cavriglia | 4,860.07 mi (7,821.52 km) |
| Effingham to Cazzago San Martino | 4,719.36 mi (7,595.07 km) |
| Effingham to Ceccano | 5,015.94 mi (8,072.38 km) |
| Effingham to Cecina | 4,828.64 mi (7,770.94 km) |
| Effingham to Cefalu | 5,194.46 mi (8,359.67 km) |
| Effingham to Ceglie Messapico | 5,225.13 mi (8,409.04 km) |
