| Johnstown to Cehegin | 3,993.11 mi (6,426.28 km) |
| Johnstown to Cervello | 4,060.08 mi (6,534.06 km) |
| Johnstown to Cervera | 4,019.92 mi (6,469.44 km) |
| Johnstown to Ceuti | 4,018.69 mi (6,467.46 km) |
| Johnstown to Cheste | 4,000.34 mi (6,437.92 km) |
| Johnstown to Chiclana de la Frontera | 3,837.09 mi (6,175.20 km) |
| Johnstown to Chipiona | 3,812.98 mi (6,136.39 km) |
| Johnstown to Chiva | 3,998.95 mi (6,435.69 km) |
| Johnstown to Churriana de la Vega | 3,935.11 mi (6,332.94 km) |
| Johnstown to Ciempozuelos | 3,840.53 mi (6,180.73 km) |
| Johnstown to Cieza | 4,006.38 mi (6,447.65 km) |
| Johnstown to Cisterniga | 3,746.44 mi (6,029.31 km) |
| Johnstown to Ciudad de Melilla | 4,031.99 mi (6,488.86 km) |
| Johnstown to Ciudad Real | 3,863.16 mi (6,217.15 km) |
| Johnstown to Ciudad-Rodrigo | 3,689.02 mi (5,936.91 km) |
