| Houghton le Spring to Cortona | 1,001.22 mi (1,611.32 km) |
| Houghton le Spring to Cosenza | 1,351.34 mi (2,174.78 km) |
| Houghton le Spring to Cossato | 767.98 mi (1,235.95 km) |
| Houghton le Spring to Costa Volpino | 802.75 mi (1,291.90 km) |
| Houghton le Spring to Creazzo | 858.60 mi (1,381.78 km) |
| Houghton le Spring to Crema | 818.13 mi (1,316.65 km) |
| Houghton le Spring to Cremona | 840.92 mi (1,353.33 km) |
| Houghton le Spring to Crevalcore | 895.11 mi (1,440.54 km) |
| Houghton le Spring to Crispiano | 1,304.64 mi (2,099.62 km) |
| Houghton le Spring to Crosia | 1,350.37 mi (2,173.22 km) |
| Houghton le Spring to Crotone | 1,388.60 mi (2,234.73 km) |
| Houghton le Spring to Cuneo | 826.17 mi (1,329.60 km) |
| Houghton le Spring to Cuorgne | 766.46 mi (1,233.50 km) |
| Houghton le Spring to Cusano Milanino | 794.41 mi (1,278.47 km) |
| Houghton le Spring to Cutro | 1,387.72 mi (2,233.31 km) |
