| Holyhead to Cavaillon | 788.24 mi (1,268.54 km) |
| Holyhead to Cebazat | 621.30 mi (999.88 km) |
| Holyhead to Cenon | 612.45 mi (985.64 km) |
| Holyhead to Cergy | 413.55 mi (665.55 km) |
| Holyhead to Cernay | 641.50 mi (1,032.40 km) |
| Holyhead to Cesson | 454.11 mi (730.82 km) |
| Holyhead to Cesson-Sevigne | 382.10 mi (614.92 km) |
| Holyhead to Cestas | 617.99 mi (994.56 km) |
| Holyhead to Chalette-sur-Loing | 487.48 mi (784.52 km) |
| Holyhead to Challans | 462.82 mi (744.83 km) |
| Holyhead to Chalon-sur-Saone | 615.93 mi (991.24 km) |
| Holyhead to Chalons-en-Champagne | 491.93 mi (791.68 km) |
| Holyhead to Chamalieres | 623.91 mi (1,004.09 km) |
| Holyhead to Chambery | 712.92 mi (1,147.34 km) |
| Holyhead to Chambly | 412.60 mi (664.01 km) |
