| Philadelphia to Cehegin | 3,819.82 mi (6,147.41 km) |
| Philadelphia to Cervello | 3,896.51 mi (6,270.82 km) |
| Philadelphia to Cervera | 3,856.36 mi (6,206.22 km) |
| Philadelphia to Ceuti | 3,845.80 mi (6,189.21 km) |
| Philadelphia to Cheste | 3,830.64 mi (6,164.81 km) |
| Philadelphia to Chiclana de la Frontera | 3,657.52 mi (5,886.21 km) |
| Philadelphia to Chipiona | 3,633.76 mi (5,847.96 km) |
| Philadelphia to Chiva | 3,829.20 mi (6,162.51 km) |
| Philadelphia to Churriana de la Vega | 3,758.67 mi (6,048.99 km) |
| Philadelphia to Ciempozuelos | 3,669.92 mi (5,906.17 km) |
| Philadelphia to Cieza | 3,833.68 mi (6,169.70 km) |
| Philadelphia to Cisterniga | 3,578.14 mi (5,758.45 km) |
| Philadelphia to Ciudad de Melilla | 3,852.84 mi (6,200.54 km) |
| Philadelphia to Ciudad Real | 3,689.97 mi (5,938.43 km) |
| Philadelphia to Ciudad-Rodrigo | 3,517.18 mi (5,660.35 km) |
