| Biddeford to Cassina de' Pecchi | 3,765.53 mi (6,060.03 km) |
| Biddeford to Cassino | 4,099.84 mi (6,598.05 km) |
| Biddeford to Castagneto Carducci | 3,898.83 mi (6,274.55 km) |
| Biddeford to Castano Primo | 3,738.91 mi (6,017.20 km) |
| Biddeford to Castel Bolognese | 3,909.99 mi (6,292.52 km) |
| Biddeford to Castel Gandolfo | 4,039.24 mi (6,500.53 km) |
| Biddeford to Castel Goffredo | 3,819.87 mi (6,147.49 km) |
| Biddeford to Castel Maggiore | 3,882.81 mi (6,248.79 km) |
| Biddeford to Castel Mella | 3,799.30 mi (6,114.39 km) |
| Biddeford to Castel San Giorgio | 4,164.70 mi (6,702.44 km) |
| Biddeford to Castel San Giovanni | 3,783.91 mi (6,089.62 km) |
| Biddeford to Castel San Pietro Terme | 3,897.84 mi (6,272.97 km) |
| Biddeford to Castel Volturno | 4,120.42 mi (6,631.17 km) |
| Biddeford to Castelbuono | 4,248.76 mi (6,837.72 km) |
| Biddeford to Casteldaccia | 4,218.78 mi (6,789.47 km) |
