| Greenford to Cortona | 809.20 mi (1,302.28 km) |
| Greenford to Cosenza | 1,161.80 mi (1,869.73 km) |
| Greenford to Cossato | 566.25 mi (911.29 km) |
| Greenford to Costa Volpino | 617.23 mi (993.34 km) |
| Greenford to Creazzo | 680.34 mi (1,094.90 km) |
| Greenford to Crema | 625.65 mi (1,006.88 km) |
| Greenford to Cremona | 649.06 mi (1,044.57 km) |
| Greenford to Crevalcore | 707.66 mi (1,138.86 km) |
| Greenford to Crispiano | 1,126.38 mi (1,812.73 km) |
| Greenford to Crosia | 1,164.56 mi (1,874.17 km) |
| Greenford to Crotone | 1,202.30 mi (1,934.91 km) |
| Greenford to Cuneo | 613.57 mi (987.45 km) |
| Greenford to Cuorgne | 559.96 mi (901.17 km) |
| Greenford to Cusano Milanino | 599.81 mi (965.31 km) |
| Greenford to Cutro | 1,200.55 mi (1,932.09 km) |
