| Philadelphia to Cromer | 3,564.68 mi (5,736.80 km) |
| Philadelphia to Crosby | 3,381.76 mi (5,442.41 km) |
| Philadelphia to Crowborough | 3,559.62 mi (5,728.66 km) |
| Philadelphia to Croxley Green | 3,522.03 mi (5,668.16 km) |
| Philadelphia to Croydon | 3,541.65 mi (5,699.73 km) |
| Philadelphia to Cudworth | 3,444.21 mi (5,542.93 km) |
| Philadelphia to Culcheth | 3,402.75 mi (5,476.19 km) |
| Philadelphia to Cullercoats | 3,417.06 mi (5,499.22 km) |
| Philadelphia to Cumbernauld | 3,304.96 mi (5,318.82 km) |
| Philadelphia to Cumnock | 3,301.87 mi (5,313.84 km) |
| Philadelphia to Cupar | 3,336.49 mi (5,369.56 km) |
| Philadelphia to Cwmbran | 3,416.42 mi (5,498.20 km) |
| Philadelphia to Dagenham | 3,548.29 mi (5,710.42 km) |
| Philadelphia to Dalkeith | 3,341.07 mi (5,376.94 km) |
| Philadelphia to Darfield | 3,446.31 mi (5,546.30 km) |
