| Portage to Castrovillari | 4,954.56 mi (7,973.59 km) |
| Portage to Catania | 5,012.23 mi (8,066.41 km) |
| Portage to Catanzaro | 5,011.89 mi (8,065.85 km) |
| Portage to Cattolica | 4,636.07 mi (7,461.03 km) |
| Portage to Cava de' Tirreni | 4,854.72 mi (7,812.92 km) |
| Portage to Cavallino | 5,012.33 mi (8,066.57 km) |
| Portage to Cavarzere | 4,561.85 mi (7,341.59 km) |
| Portage to Cave | 4,734.87 mi (7,620.04 km) |
| Portage to Cavriago | 4,518.57 mi (7,271.93 km) |
| Portage to Cavriglia | 4,604.98 mi (7,411.00 km) |
| Portage to Cazzago San Martino | 4,463.00 mi (7,182.50 km) |
| Portage to Ceccano | 4,761.78 mi (7,663.34 km) |
| Portage to Cecina | 4,574.27 mi (7,361.58 km) |
| Portage to Cefalu | 4,943.62 mi (7,955.99 km) |
| Portage to Ceglie Messapico | 4,969.44 mi (7,997.55 km) |
