| Philadelphia to Brezovica | 4,295.84 mi (6,913.49 km) |
| Philadelphia to Cankova | 4,337.40 mi (6,980.37 km) |
| Philadelphia to Celje | 4,323.55 mi (6,958.08 km) |
| Philadelphia to Cerklje na Gorenjskem | 4,290.78 mi (6,905.35 km) |
| Philadelphia to Cerknica | 4,301.12 mi (6,921.98 km) |
| Philadelphia to Cerkno | 4,274.42 mi (6,879.02 km) |
| Philadelphia to Cerkvenjak | 4,339.72 mi (6,984.11 km) |
| Philadelphia to Cirkulane | 4,349.65 mi (7,000.08 km) |
| Philadelphia to Crensovci | 4,353.75 mi (7,006.68 km) |
| Philadelphia to Crna na Koroskem | 4,298.17 mi (6,917.24 km) |
| Philadelphia to Crnomelj | 4,343.59 mi (6,990.33 km) |
| Philadelphia to Destrnik | 4,339.74 mi (6,984.14 km) |
| Philadelphia to Divaca | 4,288.86 mi (6,902.26 km) |
| Philadelphia to Dobje | 4,332.25 mi (6,972.08 km) |
| Philadelphia to Dobrna | 4,318.41 mi (6,949.80 km) |
