| Widnes to Cabestany | 782.61 mi (1,259.48 km) |
| Widnes to Cabries | 778.77 mi (1,253.31 km) |
| Widnes to Cachan | 384.49 mi (618.78 km) |
| Widnes to Caen | 306.42 mi (493.14 km) |
| Widnes to Cagnes-sur-Mer | 806.70 mi (1,298.26 km) |
| Widnes to Cahors | 644.15 mi (1,036.66 km) |
| Widnes to Calais | 256.05 mi (412.07 km) |
| Widnes to Caluire-et-Cuire | 622.59 mi (1,001.96 km) |
| Widnes to Cambrai | 336.67 mi (541.82 km) |
| Widnes to Canet-en-Roussillon | 781.95 mi (1,258.42 km) |
| Widnes to Cannes | 810.05 mi (1,303.64 km) |
| Widnes to Canteleu | 315.13 mi (507.16 km) |
| Widnes to Capbreton | 674.25 mi (1,085.10 km) |
| Widnes to Carcassonne | 738.86 mi (1,189.08 km) |
| Widnes to Carmaux | 680.59 mi (1,095.30 km) |
