| On Top of the World Designated Place to Carrollwood (Florida) | 73.73 mi (118.65 km) |
| On Top of the World Designated Place to Carson (California) | 2,133.80 mi (3,434.02 km) |
| On Top of the World Designated Place to Carson City (Nevada) | 2,234.13 mi (3,595.48 km) |
| On Top of the World Designated Place to Carteret (New Jersey) | 914.34 mi (1,471.49 km) |
| On Top of the World Designated Place to Cartersville (Georgia) | 379.48 mi (610.72 km) |
| On Top of the World Designated Place to Carthage (Missouri) | 889.71 mi (1,431.86 km) |
| On Top of the World Designated Place to Cary (Illinois) | 964.83 mi (1,552.75 km) |
| On Top of the World Designated Place to Cary (North Carolina) | 503.53 mi (810.35 km) |
| On Top of the World Designated Place to Casa de Oro-Mount Helix (California) | 2,061.75 mi (3,318.06 km) |
| On Top of the World Designated Place to Casa Grande (Arizona) | 1,759.41 mi (2,831.50 km) |
| On Top of the World Designated Place to Casas Adobes (Arizona) | 1,715.53 mi (2,760.88 km) |
| On Top of the World Designated Place to Cascades (Virginia) | 741.53 mi (1,193.37 km) |
| On Top of the World Designated Place to Casper (Wyoming) | 1,635.59 mi (2,632.23 km) |
| On Top of the World Designated Place to Casselberry (Florida) | 65.92 mi (106.10 km) |
| On Top of the World Designated Place to Castaic (California) | 2,154.73 mi (3,467.70 km) |
