| On Top of the World Designated Place to Cadillac (Michigan) | 1,060.37 mi (1,706.50 km) |
| On Top of the World Designated Place to Caguas (Puerto Rico) | 1,271.01 mi (2,045.49 km) |
| On Top of the World Designated Place to Cahokia (Illinois) | 794.44 mi (1,278.53 km) |
| On Top of the World Designated Place to Calabasas (California) | 2,157.10 mi (3,471.51 km) |
| On Top of the World Designated Place to Caldwell (Idaho) | 2,138.78 mi (3,442.03 km) |
| On Top of the World Designated Place to Caledonia (Wisconsin) | 995.78 mi (1,602.55 km) |
| On Top of the World Designated Place to Calera (Alabama) | 382.90 mi (616.22 km) |
| On Top of the World Designated Place to Calexico (California) | 1,976.29 mi (3,180.54 km) |
| On Top of the World Designated Place to Calhoun (Georgia) | 403.31 mi (649.06 km) |
| On Top of the World Designated Place to California (Maryland) | 716.61 mi (1,153.27 km) |
| On Top of the World Designated Place to California City (California) | 2,112.06 mi (3,399.03 km) |
| On Top of the World Designated Place to Callaway (Florida) | 208.88 mi (336.17 km) |
| On Top of the World Designated Place to Calumet City (Illinois) | 913.18 mi (1,469.63 km) |
| On Top of the World Designated Place to Calverton (Maryland) | 752.03 mi (1,210.27 km) |
| On Top of the World Designated Place to Camano (Washington) | 2,497.09 mi (4,018.68 km) |
