| Prospect Heights to Cehegin | 4,356.96 mi (7,011.85 km) |
| Prospect Heights to Cervello | 4,395.05 mi (7,073.16 km) |
| Prospect Heights to Cervera | 4,355.13 mi (7,008.91 km) |
| Prospect Heights to Ceuti | 4,381.24 mi (7,050.92 km) |
| Prospect Heights to Cheste | 4,353.53 mi (7,006.32 km) |
| Prospect Heights to Chiclana de la Frontera | 4,220.94 mi (6,792.95 km) |
| Prospect Heights to Chipiona | 4,195.87 mi (6,752.60 km) |
| Prospect Heights to Chiva | 4,352.28 mi (7,004.32 km) |
| Prospect Heights to Churriana de la Vega | 4,308.83 mi (6,934.39 km) |
| Prospect Heights to Ciempozuelos | 4,197.36 mi (6,755.00 km) |
| Prospect Heights to Cieza | 4,368.44 mi (7,030.32 km) |
| Prospect Heights to Cisterniga | 4,097.19 mi (6,593.80 km) |
| Prospect Heights to Ciudad de Melilla | 4,413.57 mi (7,102.95 km) |
| Prospect Heights to Ciudad Real | 4,227.50 mi (6,803.51 km) |
| Prospect Heights to Ciudad-Rodrigo | 4,050.47 mi (6,518.60 km) |
