| Holborn to Cortona | 801.06 mi (1,289.18 km) |
| Holborn to Cosenza | 1,153.67 mi (1,856.65 km) |
| Holborn to Cossato | 558.50 mi (898.81 km) |
| Holborn to Costa Volpino | 608.65 mi (979.54 km) |
| Holborn to Creazzo | 671.52 mi (1,080.70 km) |
| Holborn to Crema | 617.41 mi (993.62 km) |
| Holborn to Cremona | 640.81 mi (1,031.29 km) |
| Holborn to Crevalcore | 699.23 mi (1,125.31 km) |
| Holborn to Crispiano | 1,117.76 mi (1,798.86 km) |
| Holborn to Crosia | 1,156.26 mi (1,860.82 km) |
| Holborn to Crotone | 1,194.03 mi (1,921.61 km) |
| Holborn to Cuneo | 606.69 mi (976.38 km) |
| Holborn to Cuorgne | 552.53 mi (889.21 km) |
| Holborn to Cusano Milanino | 591.66 mi (952.19 km) |
| Holborn to Cutro | 1,192.32 mi (1,918.86 km) |
