| Rickmansworth to Cortona | 817.86 mi (1,316.22 km) |
| Rickmansworth to Cosenza | 1,170.47 mi (1,883.69 km) |
| Rickmansworth to Cossato | 575.05 mi (925.45 km) |
| Rickmansworth to Costa Volpino | 625.68 mi (1,006.94 km) |
| Rickmansworth to Creazzo | 688.63 mi (1,108.25 km) |
| Rickmansworth to Crema | 634.27 mi (1,020.76 km) |
| Rickmansworth to Cremona | 657.68 mi (1,058.43 km) |
| Rickmansworth to Crevalcore | 716.19 mi (1,152.60 km) |
| Rickmansworth to Crispiano | 1,134.80 mi (1,826.29 km) |
| Rickmansworth to Crosia | 1,173.16 mi (1,888.01 km) |
| Rickmansworth to Crotone | 1,210.91 mi (1,948.77 km) |
| Rickmansworth to Cuneo | 622.55 mi (1,001.90 km) |
| Rickmansworth to Cuorgne | 568.84 mi (915.47 km) |
| Rickmansworth to Cusano Milanino | 608.47 mi (979.24 km) |
| Rickmansworth to Cutro | 1,209.18 mi (1,945.98 km) |
