| Williamsport to Busto Arsizio | 4,105.27 mi (6,606.79 km) |
| Williamsport to Busto Garolfo | 4,108.92 mi (6,612.66 km) |
| Williamsport to Cabras | 4,291.81 mi (6,907.01 km) |
| Williamsport to Cadelbosco di Sopra | 4,208.20 mi (6,772.44 km) |
| Williamsport to Cadoneghe | 4,239.76 mi (6,823.24 km) |
| Williamsport to Cagli | 4,338.75 mi (6,982.55 km) |
| Williamsport to Cagliari | 4,343.85 mi (6,990.76 km) |
| Williamsport to Cairo Montenotte | 4,121.72 mi (6,633.27 km) |
| Williamsport to Caivano | 4,507.74 mi (7,254.51 km) |
| Williamsport to Calcinaia | 4,247.42 mi (6,835.56 km) |
| Williamsport to Calcinato | 4,176.17 mi (6,720.89 km) |
| Williamsport to Calderara di Reno | 4,243.40 mi (6,829.09 km) |
| Williamsport to Caldogno | 4,216.21 mi (6,785.34 km) |
| Williamsport to Calenzano | 4,264.28 mi (6,862.69 km) |
| Williamsport to Calolziocorte | 4,123.29 mi (6,635.79 km) |
