| Cities | Distance |
|---|---|
| Holyhead to Cockermouth | 106.75 mi (171.80 km) |
| Holyhead to Colchester | 252.03 mi (405.60 km) |
| Holyhead to Coleford | 134.82 mi (216.98 km) |
| Holyhead to Colne | 107.63 mi (173.21 km) |
| Holyhead to Colwyn Bay | 38.55 mi (62.04 km) |
| Holyhead to Congleton | 100.42 mi (161.61 km) |
| Holyhead to Conisbrough | 140.81 mi (226.61 km) |
| Holyhead to Connahs Quay | 65.43 mi (105.30 km) |
| Holyhead to Consett | 155.69 mi (250.55 km) |
| Holyhead to Conwy | 33.22 mi (53.47 km) |
| Holyhead to Cookstown | 126.13 mi (202.98 km) |
| Holyhead to Corby | 173.39 mi (279.04 km) |
| Holyhead to Corfe Mullen | 207.64 mi (334.17 km) |
| Holyhead to Corsham | 165.65 mi (266.59 km) |
| Holyhead to Coseley | 118.44 mi (190.61 km) |