| Philadelphia to Busto Arsizio | 4,074.09 mi (6,556.61 km) |
| Philadelphia to Busto Garolfo | 4,077.62 mi (6,562.30 km) |
| Philadelphia to Cabras | 4,247.91 mi (6,836.35 km) |
| Philadelphia to Cadelbosco di Sopra | 4,176.65 mi (6,721.67 km) |
| Philadelphia to Cadoneghe | 4,210.92 mi (6,776.83 km) |
| Philadelphia to Cagli | 4,306.44 mi (6,930.55 km) |
| Philadelphia to Cagliari | 4,299.05 mi (6,918.64 km) |
| Philadelphia to Cairo Montenotte | 4,087.29 mi (6,577.85 km) |
| Philadelphia to Caivano | 4,471.61 mi (7,196.37 km) |
| Philadelphia to Calcinaia | 4,213.51 mi (6,780.99 km) |
| Philadelphia to Calcinato | 4,146.00 mi (6,672.34 km) |
| Philadelphia to Calderara di Reno | 4,212.02 mi (6,778.59 km) |
| Philadelphia to Caldogno | 4,187.31 mi (6,738.83 km) |
| Philadelphia to Calenzano | 4,231.27 mi (6,809.57 km) |
| Philadelphia to Calolziocorte | 4,093.04 mi (6,587.11 km) |
