| On Top of the World Designated Place to Cullman (Alabama) | 440.96 mi (709.66 km) |
| On Top of the World Designated Place to Culpeper (Virginia) | 692.03 mi (1,113.72 km) |
| On Top of the World Designated Place to Culver City (California) | 2,141.67 mi (3,446.68 km) |
| On Top of the World Designated Place to Cumberland (Maryland) | 755.72 mi (1,216.21 km) |
| On Top of the World Designated Place to Cupertino (California) | 2,349.11 mi (3,780.52 km) |
| On Top of the World Designated Place to Cutler Bay (Florida) | 271.65 mi (437.18 km) |
| On Top of the World Designated Place to Cutlerville (Michigan) | 967.44 mi (1,556.95 km) |
| On Top of the World Designated Place to Cuyahoga Falls (Ohio) | 834.26 mi (1,342.61 km) |
| On Top of the World Designated Place to Cypress (California) | 2,121.36 mi (3,414.00 km) |
| On Top of the World Designated Place to Cypress Gardens (Florida) | 84.44 mi (135.89 km) |
| On Top of the World Designated Place to Cypress Lake (Florida) | 178.90 mi (287.91 km) |
| On Top of the World Designated Place to D'Iberville (Mississippi) | 407.62 mi (656.00 km) |
| On Top of the World Designated Place to Dakota Ridge (Colorado) | 1,485.63 mi (2,390.89 km) |
| On Top of the World Designated Place to Dale City (Virginia) | 717.28 mi (1,154.35 km) |
| On Top of the World Designated Place to Dallas (Georgia) | 364.75 mi (587.01 km) |
