| Williamsport to Cassina de' Pecchi | 4,130.18 mi (6,646.88 km) |
| Williamsport to Cassino | 4,466.41 mi (7,188.00 km) |
| Williamsport to Castagneto Carducci | 4,265.27 mi (6,864.29 km) |
| Williamsport to Castano Primo | 4,103.78 mi (6,604.40 km) |
| Williamsport to Castel Bolognese | 4,274.85 mi (6,879.71 km) |
| Williamsport to Castel Gandolfo | 4,406.07 mi (7,090.89 km) |
| Williamsport to Castel Goffredo | 4,184.28 mi (6,733.95 km) |
| Williamsport to Castel Maggiore | 4,247.61 mi (6,835.87 km) |
| Williamsport to Castel Mella | 4,163.63 mi (6,700.72 km) |
| Williamsport to Castel San Giorgio | 4,531.50 mi (7,292.74 km) |
| Williamsport to Castel San Giovanni | 4,149.04 mi (6,677.23 km) |
| Williamsport to Castel San Pietro Terme | 4,262.72 mi (6,860.18 km) |
| Williamsport to Castel Volturno | 4,487.31 mi (7,221.62 km) |
| Williamsport to Castelbuono | 4,617.43 mi (7,431.03 km) |
| Williamsport to Casteldaccia | 4,587.53 mi (7,382.91 km) |
