| Prospect Heights to Central Point (Oregon) | 1,776.82 mi (2,859.52 km) |
| Prospect Heights to Centralia (Illinois) | 255.35 mi (410.95 km) |
| Prospect Heights to Centralia (Washington) | 1,743.71 mi (2,806.23 km) |
| Prospect Heights to Centreville (Virginia) | 595.10 mi (957.73 km) |
| Prospect Heights to Ceres (California) | 1,768.46 mi (2,846.06 km) |
| Prospect Heights to Cerritos (California) | 1,726.59 mi (2,778.67 km) |
| Prospect Heights to Chalco (Nebraska) | 428.43 mi (689.49 km) |
| Prospect Heights to Chalmette (Louisiana) | 847.80 mi (1,364.40 km) |
| Prospect Heights to Chambersburg (Pennsylvania) | 555.69 mi (894.29 km) |
| Prospect Heights to Chamblee (Georgia) | 601.11 mi (967.39 km) |
| Prospect Heights to Champaign (Illinois) | 138.66 mi (223.15 km) |
| Prospect Heights to Champlin (Minnesota) | 345.59 mi (556.17 km) |
| Prospect Heights to Chandler (Arizona) | 1,436.53 mi (2,311.88 km) |
| Prospect Heights to Chanhassen (Minnesota) | 340.38 mi (547.79 km) |
| Prospect Heights to Channahon (Illinois) | 50.21 mi (80.81 km) |
