| Ashtabula to Cortona | 4,453.15 mi (7,166.65 km) |
| Ashtabula to Cosenza | 4,793.84 mi (7,714.94 km) |
| Ashtabula to Cossato | 4,208.80 mi (6,773.42 km) |
| Ashtabula to Costa Volpino | 4,278.20 mi (6,885.10 km) |
| Ashtabula to Creazzo | 4,345.46 mi (6,993.34 km) |
| Ashtabula to Crema | 4,278.44 mi (6,885.48 km) |
| Ashtabula to Cremona | 4,301.47 mi (6,922.55 km) |
| Ashtabula to Crevalcore | 4,362.95 mi (7,021.49 km) |
| Ashtabula to Crispiano | 4,779.77 mi (7,692.30 km) |
| Ashtabula to Crosia | 4,804.26 mi (7,731.70 km) |
| Ashtabula to Crotone | 4,839.61 mi (7,788.59 km) |
| Ashtabula to Cuneo | 4,226.14 mi (6,801.32 km) |
| Ashtabula to Cuorgne | 4,193.84 mi (6,749.34 km) |
| Ashtabula to Cusano Milanino | 4,251.19 mi (6,841.63 km) |
| Ashtabula to Cutro | 4,836.12 mi (7,782.98 km) |
