| Prospect Heights to Cernavoda | 5,274.01 mi (8,487.70 km) |
| Prospect Heights to Chitila | 5,195.28 mi (8,360.99 km) |
| Prospect Heights to Cisnadie | 5,073.29 mi (8,164.67 km) |
| Prospect Heights to Cluj-Napoca | 5,003.26 mi (8,051.97 km) |
| Prospect Heights to Codlea | 5,118.53 mi (8,237.48 km) |
| Prospect Heights to Comanesti | 5,116.68 mi (8,234.50 km) |
| Prospect Heights to Comarnic | 5,146.87 mi (8,283.09 km) |
| Prospect Heights to Constanta | 5,302.96 mi (8,534.28 km) |
| Prospect Heights to Corabia | 5,179.48 mi (8,335.58 km) |
| Prospect Heights to Costesti | 5,149.12 mi (8,286.70 km) |
| Prospect Heights to Covasna | 5,136.29 mi (8,266.07 km) |
| Prospect Heights to Craiova | 5,128.06 mi (8,252.82 km) |
| Prospect Heights to Cristuru Secuiesc | 5,075.68 mi (8,168.51 km) |
| Prospect Heights to Cugir | 5,039.70 mi (8,110.61 km) |
| Prospect Heights to Cumpana | 5,303.06 mi (8,534.45 km) |
