| Williamsport to Cermik | 5,649.12 mi (9,091.39 km) |
| Williamsport to Cesme | 5,125.12 mi (8,248.09 km) |
| Williamsport to Ceyhan | 5,566.69 mi (8,958.72 km) |
| Williamsport to Ceylanpinar | 5,736.95 mi (9,232.73 km) |
| Williamsport to Cicekdagi | 5,387.12 mi (8,669.73 km) |
| Williamsport to Cide | 5,224.85 mi (8,408.58 km) |
| Williamsport to Cifteler | 5,267.34 mi (8,476.97 km) |
| Williamsport to Ciftlik | 5,459.65 mi (8,786.46 km) |
| Williamsport to Ciftlikkoy | 5,140.84 mi (8,273.38 km) |
| Williamsport to Cihanbeyli | 5,375.57 mi (8,651.15 km) |
| Williamsport to Cildir | 5,626.54 mi (9,055.04 km) |
| Williamsport to Cilimli | 5,197.00 mi (8,363.76 km) |
| Williamsport to Cinar | 5,705.67 mi (9,182.40 km) |
| Williamsport to Cinarcik | 5,133.68 mi (8,261.85 km) |
| Williamsport to Cine | 5,229.69 mi (8,416.38 km) |
