| Philadelphia to Caldicot | 3,428.82 mi (5,518.15 km) |
| Philadelphia to Calne | 3,462.51 mi (5,572.37 km) |
| Philadelphia to Cam | 3,442.44 mi (5,540.08 km) |
| Philadelphia to Camberley | 3,516.56 mi (5,659.36 km) |
| Philadelphia to Camborne | 3,349.04 mi (5,389.76 km) |
| Philadelphia to Cambridge | 3,532.99 mi (5,685.80 km) |
| Philadelphia to Cambuslang | 3,300.22 mi (5,311.19 km) |
| Philadelphia to Canford Cliffs | 3,480.96 mi (5,602.07 km) |
| Philadelphia to Cannock | 3,436.75 mi (5,530.91 km) |
| Philadelphia to Canterbury | 3,592.34 mi (5,781.31 km) |
| Philadelphia to Carlisle | 3,361.35 mi (5,409.57 km) |
| Philadelphia to Carlton Colville | 3,590.57 mi (5,778.46 km) |
| Philadelphia to Carluke | 3,314.11 mi (5,333.55 km) |
| Philadelphia to Carnoustie | 3,344.98 mi (5,383.23 km) |
| Philadelphia to Carshalton | 3,539.45 mi (5,696.20 km) |
