| Porterville to Castrovillari | 6,471.41 mi (10,414.72 km) |
| Porterville to Catania | 6,567.69 mi (10,569.67 km) |
| Porterville to Catanzaro | 6,535.66 mi (10,518.12 km) |
| Porterville to Cattolica | 6,134.67 mi (9,872.80 km) |
| Porterville to Cava de' Tirreni | 6,375.91 mi (10,261.04 km) |
| Porterville to Cavallino | 6,502.06 mi (10,464.06 km) |
| Porterville to Cavarzere | 6,050.92 mi (9,738.01 km) |
| Porterville to Cave | 6,259.38 mi (10,073.50 km) |
| Porterville to Cavriago | 6,027.96 mi (9,701.06 km) |
| Porterville to Cavriglia | 6,121.34 mi (9,851.34 km) |
| Porterville to Cazzago San Martino | 5,964.98 mi (9,599.71 km) |
| Porterville to Ceccano | 6,285.57 mi (10,115.66 km) |
| Porterville to Cecina | 6,102.15 mi (9,820.47 km) |
| Porterville to Cefalu | 6,503.42 mi (10,466.25 km) |
| Porterville to Ceglie Messapico | 6,462.52 mi (10,400.42 km) |
