| Norristown to Carmona | 3,658.54 mi (5,887.85 km) |
| Norristown to Cartagena | 3,881.87 mi (6,247.26 km) |
| Norristown to Cartama | 3,731.26 mi (6,004.88 km) |
| Norristown to Cartaya | 3,589.10 mi (5,776.10 km) |
| Norristown to Caspe | 3,814.41 mi (6,138.70 km) |
| Norristown to Cassa de la Selva | 3,929.29 mi (6,323.58 km) |
| Norristown to Castalla | 3,865.25 mi (6,220.52 km) |
| Norristown to Castellbisbal | 3,900.86 mi (6,277.84 km) |
| Norristown to Castelldefels | 3,906.68 mi (6,287.20 km) |
| Norristown to Castello de Ampurias | 3,927.08 mi (6,320.03 km) |
| Norristown to Castellon de la Plana | 3,852.47 mi (6,199.95 km) |
| Norristown to Castilleja de la Cuesta | 3,640.51 mi (5,858.83 km) |
| Norristown to Catarroja | 3,852.79 mi (6,200.47 km) |
| Norristown to Catral | 3,872.61 mi (6,232.36 km) |
| Norristown to Caudete | 3,846.62 mi (6,190.53 km) |
