| Allentown to Busto Arsizio | 4,065.03 mi (6,542.04 km) |
| Allentown to Busto Garolfo | 4,068.61 mi (6,547.79 km) |
| Allentown to Cabras | 4,243.35 mi (6,829.01 km) |
| Allentown to Cadelbosco di Sopra | 4,167.74 mi (6,707.33 km) |
| Allentown to Cadoneghe | 4,201.09 mi (6,761.00 km) |
| Allentown to Cagli | 4,297.81 mi (6,916.66 km) |
| Allentown to Cagliari | 4,294.81 mi (6,911.83 km) |
| Allentown to Cairo Montenotte | 4,079.36 mi (6,565.09 km) |
| Allentown to Caivano | 4,464.33 mi (7,184.64 km) |
| Allentown to Calcinaia | 4,205.42 mi (6,767.96 km) |
| Allentown to Calcinato | 4,136.61 mi (6,657.23 km) |
| Allentown to Calderara di Reno | 4,203.05 mi (6,764.16 km) |
| Allentown to Caldogno | 4,177.50 mi (6,723.03 km) |
| Allentown to Calenzano | 4,222.87 mi (6,796.05 km) |
| Allentown to Calolziocorte | 4,083.67 mi (6,572.03 km) |
