| Holt to Cortona | 4,573.88 mi (7,360.95 km) |
| Holt to Cosenza | 4,918.12 mi (7,914.96 km) |
| Holt to Cossato | 4,328.45 mi (6,965.97 km) |
| Holt to Costa Volpino | 4,394.84 mi (7,072.81 km) |
| Holt to Creazzo | 4,461.17 mi (7,179.56 km) |
| Holt to Crema | 4,396.79 mi (7,075.95 km) |
| Holt to Cremona | 4,419.99 mi (7,113.29 km) |
| Holt to Crevalcore | 4,481.16 mi (7,211.72 km) |
| Holt to Crispiano | 4,899.76 mi (7,885.41 km) |
| Holt to Crosia | 4,927.23 mi (7,929.60 km) |
| Holt to Crotone | 4,963.15 mi (7,987.42 km) |
| Holt to Cuneo | 4,349.59 mi (6,999.99 km) |
| Holt to Cuorgne | 4,314.57 mi (6,943.63 km) |
| Holt to Cusano Milanino | 4,369.67 mi (7,032.30 km) |
| Holt to Cutro | 4,959.97 mi (7,982.29 km) |
