| Poquoson to Cehegin | 3,962.63 mi (6,377.23 km) |
| Poquoson to Cervello | 4,052.21 mi (6,521.39 km) |
| Poquoson to Cervera | 4,012.14 mi (6,456.92 km) |
| Poquoson to Ceuti | 3,989.13 mi (6,419.89 km) |
| Poquoson to Cheste | 3,978.57 mi (6,402.89 km) |
| Poquoson to Chiclana de la Frontera | 3,790.30 mi (6,099.90 km) |
| Poquoson to Chipiona | 3,767.21 mi (6,062.74 km) |
| Poquoson to Chiva | 3,977.08 mi (6,400.49 km) |
| Poquoson to Churriana de la Vega | 3,896.62 mi (6,271.00 km) |
| Poquoson to Ciempozuelos | 3,816.89 mi (6,142.70 km) |
| Poquoson to Cieza | 3,977.31 mi (6,400.87 km) |
| Poquoson to Cisterniga | 3,728.42 mi (6,000.31 km) |
| Poquoson to Ciudad de Melilla | 3,985.99 mi (6,414.83 km) |
| Poquoson to Ciudad Real | 3,833.14 mi (6,168.85 km) |
| Poquoson to Ciudad-Rodrigo | 3,662.67 mi (5,894.49 km) |
