| Allentown to Carmignano | 4,218.12 mi (6,788.41 km) |
| Allentown to Carovigno | 4,620.44 mi (7,435.88 km) |
| Allentown to Carpenedolo | 4,140.46 mi (6,663.42 km) |
| Allentown to Carpi | 4,179.28 mi (6,725.91 km) |
| Allentown to Carrara | 4,169.53 mi (6,710.20 km) |
| Allentown to Carugate | 4,087.59 mi (6,578.34 km) |
| Allentown to Casal di Principe | 4,454.52 mi (7,168.86 km) |
| Allentown to Casale Monferrato | 4,063.68 mi (6,539.86 km) |
| Allentown to Casale sul Sile | 4,212.77 mi (6,779.79 km) |
| Allentown to Casalecchio di Reno | 4,206.63 mi (6,769.91 km) |
| Allentown to Casalgrande | 4,179.66 mi (6,726.52 km) |
| Allentown to Casalmaggiore | 4,152.43 mi (6,682.69 km) |
| Allentown to Casalnuovo di Napoli | 4,467.77 mi (7,190.18 km) |
| Allentown to Casalpusterlengo | 4,113.35 mi (6,619.80 km) |
| Allentown to Casaluce | 4,458.07 mi (7,174.57 km) |
