| Holyhead to Civril | 1,925.55 mi (3,098.88 km) |
| Holyhead to Cizre | 2,471.39 mi (3,977.31 km) |
| Holyhead to Cobanlar | 1,947.66 mi (3,134.45 km) |
| Holyhead to Corlu | 1,717.17 mi (2,763.52 km) |
| Holyhead to Corum | 2,031.89 mi (3,270.01 km) |
| Holyhead to Cukurca | 2,533.77 mi (4,077.70 km) |
| Holyhead to Cukurcayir | 2,209.45 mi (3,555.77 km) |
| Holyhead to Cumayeri | 1,855.33 mi (2,985.86 km) |
| Holyhead to Cumra | 2,079.82 mi (3,347.15 km) |
| Holyhead to Cungus | 2,312.48 mi (3,721.58 km) |
| Holyhead to Dargecit | 2,442.52 mi (3,930.85 km) |
| Holyhead to Davutlar | 1,858.89 mi (2,991.60 km) |
| Holyhead to Demirozu | 2,250.46 mi (3,621.77 km) |
| Holyhead to Demre | 2,035.57 mi (3,275.94 km) |
| Holyhead to Denizciler | 2,261.14 mi (3,638.96 km) |
