| Sayville to Cortona | 4,169.17 mi (6,709.64 km) |
| Sayville to Cosenza | 4,501.44 mi (7,244.37 km) |
| Sayville to Cossato | 3,928.26 mi (6,321.92 km) |
| Sayville to Costa Volpino | 4,003.07 mi (6,442.32 km) |
| Sayville to Creazzo | 4,071.74 mi (6,552.83 km) |
| Sayville to Crema | 4,000.00 mi (6,437.38 km) |
| Sayville to Cremona | 4,022.56 mi (6,473.69 km) |
| Sayville to Crevalcore | 4,084.31 mi (6,573.06 km) |
| Sayville to Crispiano | 4,495.53 mi (7,234.86 km) |
| Sayville to Crosia | 4,514.28 mi (7,265.04 km) |
| Sayville to Crotone | 4,548.38 mi (7,319.90 km) |
| Sayville to Cuneo | 3,938.18 mi (6,337.89 km) |
| Sayville to Cuorgne | 3,911.31 mi (6,294.64 km) |
| Sayville to Cusano Milanino | 3,972.66 mi (6,393.38 km) |
| Sayville to Cutro | 4,544.34 mi (7,313.41 km) |
