| Seaham to Corato | 1,244.77 mi (2,003.26 km) |
| Seaham to Corbetta | 789.20 mi (1,270.10 km) |
| Seaham to Corciano | 1,013.99 mi (1,631.85 km) |
| Seaham to Cordenons | 866.83 mi (1,395.03 km) |
| Seaham to Cori | 1,118.50 mi (1,800.05 km) |
| Seaham to Coriano | 974.74 mi (1,568.69 km) |
| Seaham to Corigliano Calabro | 1,337.60 mi (2,152.66 km) |
| Seaham to Corleone | 1,361.78 mi (2,191.57 km) |
| Seaham to Cormano | 790.63 mi (1,272.40 km) |
| Seaham to Cornaredo | 790.18 mi (1,271.66 km) |
| Seaham to Cornate d'Adda | 792.58 mi (1,275.53 km) |
| Seaham to Cornedo Vicentino | 846.37 mi (1,362.11 km) |
| Seaham to Correggio | 878.47 mi (1,413.76 km) |
| Seaham to Corridonia | 1,041.55 mi (1,676.21 km) |
| Seaham to Corsico | 796.22 mi (1,281.39 km) |
