| Monmouth to Cabestany | 683.91 mi (1,100.64 km) |
| Monmouth to Cabries | 689.44 mi (1,109.54 km) |
| Monmouth to Cachan | 305.15 mi (491.09 km) |
| Monmouth to Caen | 208.99 mi (336.34 km) |
| Monmouth to Cagnes-sur-Mer | 724.65 mi (1,166.22 km) |
| Monmouth to Cahors | 543.45 mi (874.60 km) |
| Monmouth to Calais | 206.11 mi (331.70 km) |
| Monmouth to Caluire-et-Cuire | 539.13 mi (867.65 km) |
| Monmouth to Cambrai | 282.41 mi (454.49 km) |
| Monmouth to Canet-en-Roussillon | 683.46 mi (1,099.92 km) |
| Monmouth to Cannes | 727.10 mi (1,170.16 km) |
| Monmouth to Canteleu | 231.60 mi (372.72 km) |
| Monmouth to Capbreton | 567.50 mi (913.30 km) |
| Monmouth to Carcassonne | 639.19 mi (1,028.67 km) |
| Monmouth to Carmaux | 581.51 mi (935.84 km) |
