| Biddeford to Busto Arsizio | 3,740.50 mi (6,019.75 km) |
| Biddeford to Busto Garolfo | 3,744.09 mi (6,025.53 km) |
| Biddeford to Cabras | 3,922.80 mi (6,313.14 km) |
| Biddeford to Cadelbosco di Sopra | 3,843.27 mi (6,185.15 km) |
| Biddeford to Cadoneghe | 3,876.21 mi (6,238.16 km) |
| Biddeford to Cagli | 3,973.49 mi (6,394.72 km) |
| Biddeford to Cagliari | 3,974.69 mi (6,396.64 km) |
| Biddeford to Cairo Montenotte | 3,755.50 mi (6,043.90 km) |
| Biddeford to Caivano | 4,140.92 mi (6,664.17 km) |
| Biddeford to Calcinaia | 3,881.44 mi (6,246.57 km) |
| Biddeford to Calcinato | 3,811.91 mi (6,134.68 km) |
| Biddeford to Calderara di Reno | 3,878.56 mi (6,241.94 km) |
| Biddeford to Caldogno | 3,852.63 mi (6,200.20 km) |
| Biddeford to Calenzano | 3,898.69 mi (6,274.33 km) |
| Biddeford to Calolziocorte | 3,758.99 mi (6,049.50 km) |
