| Philadelphia to Cullman (Alabama) | 759.64 mi (1,222.52 km) |
| Philadelphia to Culpeper (Virginia) | 186.55 mi (300.23 km) |
| Philadelphia to Culver City (California) | 2,398.92 mi (3,860.68 km) |
| Philadelphia to Cumberland (Maryland) | 193.87 mi (312.01 km) |
| Philadelphia to Cupertino (California) | 2,508.54 mi (4,037.10 km) |
| Philadelphia to Cutler Bay (Florida) | 1,041.34 mi (1,675.87 km) |
| Philadelphia to Cutlerville (Michigan) | 579.56 mi (932.71 km) |
| Philadelphia to Cuyahoga Falls (Ohio) | 344.43 mi (554.31 km) |
| Philadelphia to Cypress (California) | 2,385.08 mi (3,838.42 km) |
| Philadelphia to Cypress Gardens (Florida) | 909.65 mi (1,463.94 km) |
| Philadelphia to Cypress Lake (Florida) | 1,008.50 mi (1,623.03 km) |
| Philadelphia to D'Iberville (Mississippi) | 1,016.52 mi (1,635.94 km) |
| Philadelphia to Dakota Ridge (Colorado) | 1,584.86 mi (2,550.59 km) |
| Philadelphia to Dale City (Virginia) | 151.03 mi (243.05 km) |
| Philadelphia to Dallas (Georgia) | 680.78 mi (1,095.61 km) |
