| Williamsport to Civril | 5,266.02 mi (8,474.84 km) |
| Williamsport to Cizre | 5,790.59 mi (9,319.06 km) |
| Williamsport to Cobanlar | 5,289.10 mi (8,511.99 km) |
| Williamsport to Corlu | 5,058.62 mi (8,141.06 km) |
| Williamsport to Corum | 5,362.49 mi (8,630.09 km) |
| Williamsport to Cukurca | 5,846.37 mi (9,408.82 km) |
| Williamsport to Cukurcayir | 5,516.20 mi (8,877.46 km) |
| Williamsport to Cumayeri | 5,194.39 mi (8,359.57 km) |
| Williamsport to Cumra | 5,421.28 mi (8,724.71 km) |
| Williamsport to Cungus | 5,639.23 mi (9,075.46 km) |
| Williamsport to Dargecit | 5,762.66 mi (9,274.10 km) |
| Williamsport to Davutlar | 5,192.86 mi (8,357.10 km) |
| Williamsport to Demirozu | 5,562.51 mi (8,952.00 km) |
| Williamsport to Demre | 5,371.63 mi (8,644.81 km) |
| Williamsport to Denizciler | 5,601.03 mi (9,013.98 km) |
