| Highland Park to Cortona | 4,724.39 mi (7,603.17 km) |
| Highland Park to Cosenza | 5,070.16 mi (8,159.64 km) |
| Highland Park to Cossato | 4,478.60 mi (7,207.61 km) |
| Highland Park to Costa Volpino | 4,543.41 mi (7,311.91 km) |
| Highland Park to Creazzo | 4,609.21 mi (7,417.80 km) |
| Highland Park to Crema | 4,546.23 mi (7,316.45 km) |
| Highland Park to Cremona | 4,569.50 mi (7,353.91 km) |
| Highland Park to Crevalcore | 4,630.46 mi (7,452.00 km) |
| Highland Park to Crispiano | 5,049.67 mi (8,126.66 km) |
| Highland Park to Crosia | 5,078.61 mi (8,173.23 km) |
| Highland Park to Crotone | 5,114.80 mi (8,231.48 km) |
| Highland Park to Cuneo | 4,501.60 mi (7,244.63 km) |
| Highland Park to Cuorgne | 4,465.26 mi (7,186.14 km) |
| Highland Park to Cusano Milanino | 4,519.19 mi (7,272.94 km) |
| Highland Park to Cutro | 5,111.76 mi (8,226.59 km) |
