| Seaford to Chojnice | 763.45 mi (1,228.65 km) |
| Seaford to Chojnow | 687.71 mi (1,106.76 km) |
| Seaford to Chorzow | 826.21 mi (1,329.66 km) |
| Seaford to Choszczno | 671.26 mi (1,080.29 km) |
| Seaford to Chrzanow | 847.80 mi (1,364.40 km) |
| Seaford to Ciechanow | 885.72 mi (1,425.42 km) |
| Seaford to Ciechocinek | 808.66 mi (1,301.41 km) |
| Seaford to Cieszyn | 819.51 mi (1,318.87 km) |
| Seaford to Czarna Bialostocka | 996.19 mi (1,603.21 km) |
| Seaford to Czarnkow | 716.58 mi (1,153.22 km) |
| Seaford to Czechowice-Dziedzice | 833.51 mi (1,341.41 km) |
| Seaford to Czeladz | 831.63 mi (1,338.39 km) |
| Seaford to Czersk Pomorski | 781.51 mi (1,257.72 km) |
| Seaford to Czestochowa | 828.41 mi (1,333.20 km) |
| Seaford to Czluchow | 755.69 mi (1,216.17 km) |
