| Philadelphia to Cordele (Georgia) | 735.82 mi (1,184.19 km) |
| Philadelphia to Corinth (Mississippi) | 811.57 mi (1,306.09 km) |
| Philadelphia to Corinth (Texas) | 1,301.92 mi (2,095.25 km) |
| Philadelphia to Cornelius (North Carolina) | 443.43 mi (713.64 km) |
| Philadelphia to Cornelius (Oregon) | 2,423.58 mi (3,900.38 km) |
| Philadelphia to Corning (New York) | 178.51 mi (287.29 km) |
| Philadelphia to Corona (California) | 2,358.86 mi (3,796.22 km) |
| Philadelphia to Coronado (California) | 2,370.76 mi (3,815.37 km) |
| Philadelphia to Corpus Christi (Texas) | 1,525.59 mi (2,455.20 km) |
| Philadelphia to Corsicana (Texas) | 1,307.11 mi (2,103.59 km) |
| Philadelphia to Cortland (New York) | 187.16 mi (301.20 km) |
| Philadelphia to Corvallis (Oregon) | 2,444.95 mi (3,934.76 km) |
| Philadelphia to Coshocton (Ohio) | 355.01 mi (571.34 km) |
| Philadelphia to Costa Mesa (California) | 2,382.56 mi (3,834.36 km) |
| Philadelphia to Coto de Caza (California) | 2,367.18 mi (3,809.62 km) |
