| Seabrook to Cividale del Friuli | 4,367.94 mi (7,029.52 km) |
| Seabrook to Civita Castellana | 4,455.46 mi (7,170.37 km) |
| Seabrook to Civitanova Marche | 4,477.79 mi (7,206.31 km) |
| Seabrook to Civitavecchia | 4,435.40 mi (7,138.09 km) |
| Seabrook to Civitella in Val di Chiana | 4,386.23 mi (7,058.95 km) |
| Seabrook to Clusone | 4,228.23 mi (6,804.67 km) |
| Seabrook to Coccaglio | 4,239.73 mi (6,823.18 km) |
| Seabrook to Codigoro | 4,355.28 mi (7,009.14 km) |
| Seabrook to Codogno | 4,241.01 mi (6,825.25 km) |
| Seabrook to Codroipo | 4,353.61 mi (7,006.46 km) |
| Seabrook to Cogoleto | 4,219.89 mi (6,791.25 km) |
| Seabrook to Colle di Val d'Elsa | 4,361.33 mi (7,018.88 km) |
| Seabrook to Colle Salvetti | 4,326.15 mi (6,962.27 km) |
| Seabrook to Collecchio | 4,276.43 mi (6,882.25 km) |
| Seabrook to Colleferro | 4,502.12 mi (7,245.47 km) |
