| Boynton Beach to Carmona | 4,316.81 mi (6,947.23 km) |
| Boynton Beach to Cartagena | 4,560.89 mi (7,340.04 km) |
| Boynton Beach to Cartama | 4,383.08 mi (7,053.89 km) |
| Boynton Beach to Cartaya | 4,238.66 mi (6,821.46 km) |
| Boynton Beach to Caspe | 4,543.07 mi (7,311.36 km) |
| Boynton Beach to Cassa de la Selva | 4,675.70 mi (7,524.81 km) |
| Boynton Beach to Castalla | 4,558.43 mi (7,336.08 km) |
| Boynton Beach to Castellbisbal | 4,639.38 mi (7,466.36 km) |
| Boynton Beach to Castelldefels | 4,642.84 mi (7,471.93 km) |
| Boynton Beach to Castello de Ampurias | 4,678.43 mi (7,529.21 km) |
| Boynton Beach to Castellon de la Plana | 4,565.63 mi (7,347.68 km) |
| Boynton Beach to Castilleja de la Cuesta | 4,295.92 mi (6,913.62 km) |
| Boynton Beach to Catarroja | 4,557.27 mi (7,334.22 km) |
| Boynton Beach to Catral | 4,559.62 mi (7,337.99 km) |
| Boynton Beach to Caudete | 4,539.94 mi (7,306.33 km) |
