| Prospect Heights to Castrovillari | 5,052.63 mi (8,131.42 km) |
| Prospect Heights to Catania | 5,113.13 mi (8,228.80 km) |
| Prospect Heights to Catanzaro | 5,110.57 mi (8,224.67 km) |
| Prospect Heights to Cattolica | 4,732.08 mi (7,615.54 km) |
| Prospect Heights to Cava de' Tirreni | 4,952.88 mi (7,970.88 km) |
| Prospect Heights to Cavallino | 5,108.63 mi (8,221.55 km) |
| Prospect Heights to Cavarzere | 4,656.98 mi (7,494.69 km) |
| Prospect Heights to Cave | 4,832.99 mi (7,777.95 km) |
| Prospect Heights to Cavriago | 4,615.08 mi (7,427.25 km) |
| Prospect Heights to Cavriglia | 4,702.21 mi (7,567.48 km) |
| Prospect Heights to Cazzago San Martino | 4,558.82 mi (7,336.71 km) |
| Prospect Heights to Ceccano | 4,859.90 mi (7,821.26 km) |
| Prospect Heights to Cecina | 4,672.27 mi (7,519.28 km) |
| Prospect Heights to Cefalu | 5,044.69 mi (8,118.65 km) |
| Prospect Heights to Ceglie Messapico | 5,065.87 mi (8,152.74 km) |
