| Williamsport to Carmignano | 4,259.69 mi (6,855.31 km) |
| Williamsport to Carovigno | 4,661.91 mi (7,502.62 km) |
| Williamsport to Carpenedolo | 4,180.14 mi (6,727.28 km) |
| Williamsport to Carpi | 4,219.55 mi (6,790.71 km) |
| Williamsport to Carrara | 4,211.27 mi (6,777.39 km) |
| Williamsport to Carugate | 4,127.64 mi (6,642.79 km) |
| Williamsport to Casal di Principe | 4,497.96 mi (7,238.76 km) |
| Williamsport to Casale Monferrato | 4,104.85 mi (6,606.11 km) |
| Williamsport to Casale sul Sile | 4,250.98 mi (6,841.29 km) |
| Williamsport to Casalecchio di Reno | 4,247.08 mi (6,835.02 km) |
| Williamsport to Casalgrande | 4,220.31 mi (6,791.93 km) |
| Williamsport to Casalmaggiore | 4,192.68 mi (6,747.47 km) |
| Williamsport to Casalnuovo di Napoli | 4,511.19 mi (7,260.06 km) |
| Williamsport to Casalpusterlengo | 4,153.77 mi (6,684.85 km) |
| Williamsport to Casaluce | 4,501.48 mi (7,244.44 km) |
