| Foster City to Castrovillari | 6,477.94 mi (10,425.23 km) |
| Foster City to Catania | 6,581.45 mi (10,591.83 km) |
| Foster City to Catanzaro | 6,543.06 mi (10,530.04 km) |
| Foster City to Cattolica | 6,140.42 mi (9,882.04 km) |
| Foster City to Cava de' Tirreni | 6,384.10 mi (10,274.21 km) |
| Foster City to Cavallino | 6,502.97 mi (10,465.52 km) |
| Foster City to Cavarzere | 6,055.55 mi (9,745.47 km) |
| Foster City to Cave | 6,269.19 mi (10,089.29 km) |
| Foster City to Cavriago | 6,036.70 mi (9,715.14 km) |
| Foster City to Cavriglia | 6,130.67 mi (9,866.35 km) |
| Foster City to Cazzago San Martino | 5,972.83 mi (9,612.33 km) |
| Foster City to Ceccano | 6,295.03 mi (10,130.87 km) |
| Foster City to Cecina | 6,113.94 mi (9,839.43 km) |
| Foster City to Cefalu | 6,518.62 mi (10,490.71 km) |
| Foster City to Ceglie Messapico | 6,464.41 mi (10,403.46 km) |
