| Williamsport to Cervignano del Friuli | 4,284.20 mi (6,894.75 km) |
| Williamsport to Cesa | 4,504.21 mi (7,248.83 km) |
| Williamsport to Cesano Maderno | 4,116.99 mi (6,625.66 km) |
| Williamsport to Cesena | 4,300.03 mi (6,920.23 km) |
| Williamsport to Cesenatico | 4,304.12 mi (6,926.81 km) |
| Williamsport to Cetraro | 4,636.37 mi (7,461.51 km) |
| Williamsport to Cherasco | 4,096.06 mi (6,591.97 km) |
| Williamsport to Chiampo | 4,209.20 mi (6,774.05 km) |
| Williamsport to Chiaravalle | 4,365.77 mi (7,026.02 km) |
| Williamsport to Chiari | 4,151.77 mi (6,681.63 km) |
| Williamsport to Chiavari | 4,170.23 mi (6,711.33 km) |
| Williamsport to Chieri | 4,081.86 mi (6,569.13 km) |
| Williamsport to Chieti | 4,448.19 mi (7,158.66 km) |
| Williamsport to Chioggia | 4,262.37 mi (6,859.62 km) |
| Williamsport to Chiusi | 4,328.62 mi (6,966.23 km) |
