| Johnstown to Carmona | 3,828.58 mi (6,161.50 km) |
| Johnstown to Cartagena | 4,048.57 mi (6,515.54 km) |
| Johnstown to Cartama | 3,901.84 mi (6,279.40 km) |
| Johnstown to Cartaya | 3,760.39 mi (6,051.76 km) |
| Johnstown to Caspe | 3,973.99 mi (6,395.52 km) |
| Johnstown to Cassa de la Selva | 4,085.46 mi (6,574.91 km) |
| Johnstown to Castalla | 4,030.07 mi (6,485.76 km) |
| Johnstown to Castellbisbal | 4,058.50 mi (6,531.53 km) |
| Johnstown to Castelldefels | 4,064.70 mi (6,541.51 km) |
| Johnstown to Castello de Ampurias | 4,082.37 mi (6,569.94 km) |
| Johnstown to Castellon de la Plana | 4,014.38 mi (6,460.53 km) |
| Johnstown to Castilleja de la Cuesta | 3,810.95 mi (6,133.12 km) |
| Johnstown to Catarroja | 4,016.01 mi (6,463.15 km) |
| Johnstown to Catral | 4,038.26 mi (6,498.95 km) |
| Johnstown to Caudete | 4,011.47 mi (6,455.84 km) |
