| Grand Haven to Cortona | 4,623.59 mi (7,440.96 km) |
| Grand Haven to Cosenza | 4,969.31 mi (7,997.33 km) |
| Grand Haven to Cossato | 4,377.82 mi (7,045.42 km) |
| Grand Haven to Costa Volpino | 4,442.73 mi (7,149.89 km) |
| Grand Haven to Creazzo | 4,508.57 mi (7,255.84 km) |
| Grand Haven to Crema | 4,445.49 mi (7,154.32 km) |
| Grand Haven to Cremona | 4,468.76 mi (7,191.78 km) |
| Grand Haven to Crevalcore | 4,529.73 mi (7,289.90 km) |
| Grand Haven to Crispiano | 4,948.91 mi (7,964.50 km) |
| Grand Haven to Crosia | 4,977.78 mi (8,010.96 km) |
| Grand Haven to Crotone | 5,013.96 mi (8,069.19 km) |
| Grand Haven to Cuneo | 4,400.75 mi (7,082.32 km) |
| Grand Haven to Cuorgne | 4,364.45 mi (7,023.91 km) |
| Grand Haven to Cusano Milanino | 4,418.45 mi (7,110.80 km) |
| Grand Haven to Cutro | 5,010.92 mi (8,064.29 km) |
