| Seabrook to Cortona | 4,402.91 mi (7,085.79 km) |
| Seabrook to Cosenza | 4,735.47 mi (7,621.00 km) |
| Seabrook to Cossato | 4,161.78 mi (6,697.74 km) |
| Seabrook to Costa Volpino | 4,236.28 mi (6,817.63 km) |
| Seabrook to Creazzo | 4,304.86 mi (6,928.01 km) |
| Seabrook to Crema | 4,233.42 mi (6,813.02 km) |
| Seabrook to Cremona | 4,256.01 mi (6,849.39 km) |
| Seabrook to Crevalcore | 4,317.75 mi (6,948.75 km) |
| Seabrook to Crispiano | 4,729.32 mi (7,611.11 km) |
| Seabrook to Crosia | 4,748.26 mi (7,641.58 km) |
| Seabrook to Crotone | 4,782.38 mi (7,696.50 km) |
| Seabrook to Cuneo | 4,172.04 mi (6,714.25 km) |
| Seabrook to Cuorgne | 4,144.93 mi (6,670.62 km) |
| Seabrook to Cusano Milanino | 4,206.07 mi (6,769.02 km) |
| Seabrook to Cutro | 4,778.36 mi (7,690.02 km) |
