| Seabrook to Cehegin | 3,932.37 mi (6,328.54 km) |
| Seabrook to Cervello | 4,011.03 mi (6,455.13 km) |
| Seabrook to Cervera | 3,970.89 mi (6,390.54 km) |
| Seabrook to Ceuti | 3,958.44 mi (6,370.50 km) |
| Seabrook to Cheste | 3,944.05 mi (6,347.34 km) |
| Seabrook to Chiclana de la Frontera | 3,768.06 mi (6,064.11 km) |
| Seabrook to Chipiona | 3,744.44 mi (6,026.09 km) |
| Seabrook to Chiva | 3,942.61 mi (6,345.02 km) |
| Seabrook to Churriana de la Vega | 3,870.29 mi (6,228.63 km) |
| Seabrook to Ciempozuelos | 3,783.16 mi (6,088.41 km) |
| Seabrook to Cieza | 3,946.37 mi (6,351.07 km) |
| Seabrook to Cisterniga | 3,691.88 mi (5,941.51 km) |
| Seabrook to Ciudad de Melilla | 3,963.50 mi (6,378.64 km) |
| Seabrook to Ciudad Real | 3,802.56 mi (6,119.63 km) |
| Seabrook to Ciudad-Rodrigo | 3,630.14 mi (5,842.15 km) |
