| Holtsville to Cortona | 4,165.00 mi (6,702.92 km) |
| Holtsville to Cosenza | 4,497.36 mi (7,237.80 km) |
| Holtsville to Cossato | 3,924.05 mi (6,315.14 km) |
| Holtsville to Costa Volpino | 3,998.82 mi (6,435.47 km) |
| Holtsville to Creazzo | 4,067.47 mi (6,545.97 km) |
| Holtsville to Crema | 3,995.77 mi (6,430.58 km) |
| Holtsville to Cremona | 4,018.34 mi (6,466.89 km) |
| Holtsville to Crevalcore | 4,080.09 mi (6,566.26 km) |
| Holtsville to Crispiano | 4,491.37 mi (7,228.17 km) |
| Holtsville to Crosia | 4,510.18 mi (7,258.43 km) |
| Holtsville to Crotone | 4,544.28 mi (7,313.31 km) |
| Holtsville to Cuneo | 3,934.03 mi (6,331.22 km) |
| Holtsville to Cuorgne | 3,907.11 mi (6,287.89 km) |
| Holtsville to Cusano Milanino | 3,968.43 mi (6,386.58 km) |
| Holtsville to Cutro | 4,540.25 mi (7,306.83 km) |
