| Allentown to Casamassima | 4,578.30 mi (7,368.07 km) |
| Allentown to Casandrino | 4,462.76 mi (7,182.12 km) |
| Allentown to Casapulla | 4,459.23 mi (7,176.44 km) |
| Allentown to Casarano | 4,668.96 mi (7,513.96 km) |
| Allentown to Casatenovo | 4,081.82 mi (6,569.06 km) |
| Allentown to Casciana Terme | 4,210.87 mi (6,776.74 km) |
| Allentown to Cascina | 4,202.53 mi (6,763.31 km) |
| Allentown to Caselle Torinese | 4,027.30 mi (6,481.31 km) |
| Allentown to Caserta | 4,461.42 mi (7,179.96 km) |
| Allentown to Casier | 4,209.65 mi (6,774.78 km) |
| Allentown to Casorate Primo | 4,081.69 mi (6,568.85 km) |
| Allentown to Casoria | 4,466.20 mi (7,187.65 km) |
| Allentown to Cassano al Ionio | 4,597.34 mi (7,398.71 km) |
| Allentown to Cassano d'Adda | 4,095.95 mi (6,591.79 km) |
| Allentown to Cassano delle Murge | 4,574.39 mi (7,361.77 km) |
