| Williamsport to Corato | 4,590.00 mi (7,386.89 km) |
| Williamsport to Corbetta | 4,112.94 mi (6,619.13 km) |
| Williamsport to Corciano | 4,338.55 mi (6,982.22 km) |
| Williamsport to Cordenons | 4,252.37 mi (6,843.53 km) |
| Williamsport to Cori | 4,421.21 mi (7,115.24 km) |
| Williamsport to Coriano | 4,321.31 mi (6,954.48 km) |
| Williamsport to Corigliano Calabro | 4,656.93 mi (7,494.61 km) |
| Williamsport to Corleone | 4,586.30 mi (7,380.94 km) |
| Williamsport to Cormano | 4,120.63 mi (6,631.51 km) |
| Williamsport to Cornaredo | 4,116.72 mi (6,625.22 km) |
| Williamsport to Cornate d'Adda | 4,129.82 mi (6,646.30 km) |
| Williamsport to Cornedo Vicentino | 4,209.62 mi (6,774.73 km) |
| Williamsport to Correggio | 4,215.75 mi (6,784.59 km) |
| Williamsport to Corridonia | 4,386.58 mi (7,059.52 km) |
| Williamsport to Corsico | 4,122.51 mi (6,634.54 km) |
