| Allentown to Caltagirone | 4,615.65 mi (7,428.17 km) |
| Allentown to Caltanissetta | 4,585.40 mi (7,379.48 km) |
| Allentown to Calvisano | 4,137.33 mi (6,658.39 km) |
| Allentown to Calvizzano | 4,461.08 mi (7,179.41 km) |
| Allentown to Camaiore | 4,183.14 mi (6,732.11 km) |
| Allentown to Cameri | 4,060.04 mi (6,534.00 km) |
| Allentown to Camisano Vicentino | 4,189.69 mi (6,742.66 km) |
| Allentown to Campagna | 4,510.07 mi (7,258.26 km) |
| Allentown to Campagnano di Roma | 4,336.91 mi (6,979.59 km) |
| Allentown to Campi Bisenzio | 4,223.16 mi (6,796.51 km) |
| Allentown to Campi Salentina | 4,647.33 mi (7,479.16 km) |
| Allentown to Campiglia Marittima | 4,226.72 mi (6,802.25 km) |
| Allentown to Campobasso | 4,457.28 mi (7,173.30 km) |
| Allentown to Campobello di Licata | 4,588.05 mi (7,383.76 km) |
| Allentown to Campobello di Mazara | 4,520.12 mi (7,274.43 km) |
