| Suffolk to Cortona | 4,486.73 mi (7,220.69 km) |
| Suffolk to Cosenza | 4,814.68 mi (7,748.48 km) |
| Suffolk to Cossato | 4,247.66 mi (6,835.95 km) |
| Suffolk to Costa Volpino | 4,324.35 mi (6,959.36 km) |
| Suffolk to Creazzo | 4,393.39 mi (7,070.48 km) |
| Suffolk to Crema | 4,320.06 mi (6,952.47 km) |
| Suffolk to Cremona | 4,342.40 mi (6,988.42 km) |
| Suffolk to Crevalcore | 4,404.13 mi (7,087.76 km) |
| Suffolk to Crispiano | 4,812.35 mi (7,744.73 km) |
| Suffolk to Crosia | 4,828.60 mi (7,770.87 km) |
| Suffolk to Crotone | 4,862.06 mi (7,824.73 km) |
| Suffolk to Cuneo | 4,254.56 mi (6,847.05 km) |
| Suffolk to Cuorgne | 4,229.96 mi (6,807.47 km) |
| Suffolk to Cusano Milanino | 4,292.74 mi (6,908.50 km) |
| Suffolk to Cutro | 4,857.78 mi (7,817.84 km) |
