| Philadelphia to Cabestany | 3,902.72 mi (6,280.83 km) |
| Philadelphia to Cabries | 3,989.66 mi (6,420.73 km) |
| Philadelphia to Cachan | 3,704.61 mi (5,962.00 km) |
| Philadelphia to Caen | 3,580.59 mi (5,762.40 km) |
| Philadelphia to Cagnes-sur-Mer | 4,061.52 mi (6,536.39 km) |
| Philadelphia to Cahors | 3,782.85 mi (6,087.91 km) |
| Philadelphia to Calais | 3,631.76 mi (5,844.75 km) |
| Philadelphia to Caluire-et-Cuire | 3,895.07 mi (6,268.52 km) |
| Philadelphia to Cambrai | 3,707.20 mi (5,966.16 km) |
| Philadelphia to Canet-en-Roussillon | 3,904.91 mi (6,284.34 km) |
| Philadelphia to Cannes | 4,059.08 mi (6,532.46 km) |
| Philadelphia to Canteleu | 3,633.53 mi (5,847.60 km) |
| Philadelphia to Capbreton | 3,674.66 mi (5,913.79 km) |
| Philadelphia to Carcassonne | 3,859.85 mi (6,211.82 km) |
| Philadelphia to Carmaux | 3,826.57 mi (6,158.27 km) |
