| Poquoson to Carmona | 3,787.93 mi (6,096.08 km) |
| Poquoson to Cartagena | 4,017.29 mi (6,465.20 km) |
| Poquoson to Cartama | 3,859.37 mi (6,211.06 km) |
| Poquoson to Cartaya | 3,716.02 mi (5,980.36 km) |
| Poquoson to Caspe | 3,961.86 mi (6,376.00 km) |
| Poquoson to Cassa de la Selva | 4,081.53 mi (6,568.59 km) |
| Poquoson to Castalla | 4,004.10 mi (6,443.97 km) |
| Poquoson to Castellbisbal | 4,051.06 mi (6,519.55 km) |
| Poquoson to Castelldefels | 4,056.31 mi (6,528.00 km) |
| Poquoson to Castello de Ampurias | 4,080.55 mi (6,567.01 km) |
| Poquoson to Castellon de la Plana | 3,996.21 mi (6,431.28 km) |
| Poquoson to Castilleja de la Cuesta | 3,769.11 mi (6,065.80 km) |
| Poquoson to Catarroja | 3,994.38 mi (6,428.34 km) |
| Poquoson to Catral | 4,009.96 mi (6,453.40 km) |
| Poquoson to Caudete | 3,985.43 mi (6,413.93 km) |
