| Prospect Heights to Camarillo (California) | 1,764.04 mi (2,838.95 km) |
| Prospect Heights to Camas (Washington) | 1,722.49 mi (2,772.08 km) |
| Prospect Heights to Cambridge (Maryland) | 669.88 mi (1,078.07 km) |
| Prospect Heights to Cambridge (Massachusetts) | 858.58 mi (1,381.75 km) |
| Prospect Heights to Camden (Arkansas) | 647.75 mi (1,042.46 km) |
| Prospect Heights to Camden (New Jersey) | 684.13 mi (1,101.01 km) |
| Prospect Heights to Cameron Park (California) | 1,744.87 mi (2,808.09 km) |
| Prospect Heights to Camp Pendleton South (California) | 1,713.66 mi (2,757.87 km) |
| Prospect Heights to Camp Springs (Maryland) | 621.36 mi (999.98 km) |
| Prospect Heights to Camp Verde (Arizona) | 1,391.55 mi (2,239.49 km) |
| Prospect Heights to Campbell (California) | 1,827.06 mi (2,940.36 km) |
| Prospect Heights to Campbellsville (Kentucky) | 356.14 mi (573.15 km) |
| Prospect Heights to Campton Hills (Illinois) | 27.31 mi (43.94 km) |
| Prospect Heights to Canby (Oregon) | 1,736.82 mi (2,795.15 km) |
| Prospect Heights to Candelaria (Puerto Rico) | 2,075.11 mi (3,339.57 km) |
