| Allentown to Brezovica | 4,284.85 mi (6,895.79 km) |
| Allentown to Cankova | 4,325.42 mi (6,961.08 km) |
| Allentown to Celje | 4,312.14 mi (6,939.72 km) |
| Allentown to Cerklje na Gorenjskem | 4,279.60 mi (6,887.34 km) |
| Allentown to Cerknica | 4,290.30 mi (6,904.57 km) |
| Allentown to Cerkno | 4,263.47 mi (6,861.39 km) |
| Allentown to Cerkvenjak | 4,327.87 mi (6,965.03 km) |
| Allentown to Cirkulane | 4,337.94 mi (6,981.25 km) |
| Allentown to Crensovci | 4,341.79 mi (6,987.43 km) |
| Allentown to Crna na Koroskem | 4,286.72 mi (6,898.80 km) |
| Allentown to Crnomelj | 4,332.69 mi (6,972.78 km) |
| Allentown to Destrnik | 4,327.96 mi (6,965.18 km) |
| Allentown to Divaca | 4,278.25 mi (6,885.18 km) |
| Allentown to Dobje | 4,320.87 mi (6,953.77 km) |
| Allentown to Dobrna | 4,306.93 mi (6,931.34 km) |
