| Williamsport to Brezovica | 4,321.19 mi (6,954.29 km) |
| Williamsport to Cankova | 4,359.78 mi (7,016.39 km) |
| Williamsport to Celje | 4,347.66 mi (6,996.88 km) |
| Williamsport to Cerklje na Gorenjskem | 4,315.57 mi (6,945.25 km) |
| Williamsport to Cerknica | 4,327.01 mi (6,963.64 km) |
| Williamsport to Cerkno | 4,299.92 mi (6,920.06 km) |
| Williamsport to Cerkvenjak | 4,362.50 mi (7,020.77 km) |
| Williamsport to Cirkulane | 4,372.86 mi (7,037.44 km) |
| Williamsport to Crensovci | 4,376.19 mi (7,042.79 km) |
| Williamsport to Crna na Koroskem | 4,322.15 mi (6,955.84 km) |
| Williamsport to Crnomelj | 4,369.20 mi (7,031.55 km) |
| Williamsport to Destrnik | 4,362.74 mi (7,021.15 km) |
| Williamsport to Divaca | 4,315.36 mi (6,944.90 km) |
| Williamsport to Dobje | 4,356.45 mi (7,011.04 km) |
| Williamsport to Dobrna | 4,342.33 mi (6,988.31 km) |
