| Seaham to Castrovillari | 1,315.97 mi (2,117.84 km) |
| Seaham to Catania | 1,425.15 mi (2,293.56 km) |
| Seaham to Catanzaro | 1,381.09 mi (2,222.64 km) |
| Seaham to Cattolica | 978.52 mi (1,574.78 km) |
| Seaham to Cava de' Tirreni | 1,222.38 mi (1,967.23 km) |
| Seaham to Cavallino | 1,345.93 mi (2,166.07 km) |
| Seaham to Cavarzere | 894.16 mi (1,439.01 km) |
| Seaham to Cave | 1,108.81 mi (1,784.47 km) |
| Seaham to Cavriago | 875.89 mi (1,409.61 km) |
| Seaham to Cavriglia | 970.18 mi (1,561.36 km) |
| Seaham to Cazzago San Martino | 811.39 mi (1,305.80 km) |
| Seaham to Ceccano | 1,134.25 mi (1,825.40 km) |
| Seaham to Cecina | 957.30 mi (1,540.62 km) |
| Seaham to Cefalu | 1,365.59 mi (2,197.70 km) |
| Seaham to Ceglie Messapico | 1,305.92 mi (2,101.68 km) |
