| Allentown to Cassina de' Pecchi | 4,090.10 mi (6,582.38 km) |
| Allentown to Cassino | 4,423.42 mi (7,118.81 km) |
| Allentown to Castagneto Carducci | 4,222.53 mi (6,795.50 km) |
| Allentown to Castano Primo | 4,063.41 mi (6,539.42 km) |
| Allentown to Castel Bolognese | 4,234.47 mi (6,814.72 km) |
| Allentown to Castel Gandolfo | 4,362.65 mi (7,021.01 km) |
| Allentown to Castel Goffredo | 4,144.52 mi (6,669.96 km) |
| Allentown to Castel Maggiore | 4,207.33 mi (6,771.04 km) |
| Allentown to Castel Mella | 4,123.98 mi (6,636.90 km) |
| Allentown to Castel San Giorgio | 4,488.13 mi (7,222.95 km) |
| Allentown to Castel San Giovanni | 4,108.31 mi (6,611.68 km) |
| Allentown to Castel San Pietro Terme | 4,222.32 mi (6,795.17 km) |
| Allentown to Castel Volturno | 4,443.78 mi (7,151.57 km) |
| Allentown to Castelbuono | 4,570.00 mi (7,354.71 km) |
| Allentown to Casteldaccia | 4,539.86 mi (7,306.20 km) |
