| Seaham to Casamassima | 1,271.46 mi (2,046.21 km) |
| Seaham to Casandrino | 1,196.35 mi (1,925.34 km) |
| Seaham to Casapulla | 1,189.40 mi (1,914.15 km) |
| Seaham to Casarano | 1,361.90 mi (2,191.77 km) |
| Seaham to Casatenovo | 785.72 mi (1,264.50 km) |
| Seaham to Casciana Terme | 947.20 mi (1,524.37 km) |
| Seaham to Cascina | 936.20 mi (1,506.66 km) |
| Seaham to Caselle Torinese | 776.37 mi (1,249.45 km) |
| Seaham to Caserta | 1,190.76 mi (1,916.35 km) |
| Seaham to Casier | 872.50 mi (1,404.15 km) |
| Seaham to Casorate Primo | 800.58 mi (1,288.41 km) |
| Seaham to Casoria | 1,199.68 mi (1,930.69 km) |
| Seaham to Cassano al Ionio | 1,321.22 mi (2,126.29 km) |
| Seaham to Cassano d'Adda | 800.67 mi (1,288.55 km) |
| Seaham to Cassano delle Murge | 1,270.79 mi (2,045.14 km) |
