| Holyhead to Chojnice | 908.28 mi (1,461.74 km) |
| Holyhead to Chojnow | 877.43 mi (1,412.08 km) |
| Holyhead to Chorzow | 1,023.79 mi (1,647.63 km) |
| Holyhead to Choszczno | 826.43 mi (1,330.01 km) |
| Holyhead to Chrzanow | 1,046.50 mi (1,684.17 km) |
| Holyhead to Ciechanow | 1,043.44 mi (1,679.25 km) |
| Holyhead to Ciechocinek | 967.60 mi (1,557.20 km) |
| Holyhead to Cieszyn | 1,024.85 mi (1,649.34 km) |
| Holyhead to Czarna Bialostocka | 1,145.22 mi (1,843.05 km) |
| Holyhead to Czarnkow | 876.60 mi (1,410.75 km) |
| Holyhead to Czechowice-Dziedzice | 1,035.91 mi (1,667.13 km) |
| Holyhead to Czeladz | 1,028.47 mi (1,655.17 km) |
| Holyhead to Czersk Pomorski | 924.66 mi (1,488.10 km) |
| Holyhead to Czestochowa | 1,018.90 mi (1,639.76 km) |
| Holyhead to Czluchow | 901.13 mi (1,450.24 km) |
