| Biddeford to Butzbach | 3,582.83 mi (5,766.01 km) |
| Biddeford to Buxtehude | 3,537.01 mi (5,692.27 km) |
| Biddeford to Cadolzburg | 3,700.80 mi (5,955.86 km) |
| Biddeford to Calbe | 3,661.26 mi (5,892.23 km) |
| Biddeford to Calw | 3,637.11 mi (5,853.37 km) |
| Biddeford to Castrop-Rauxel | 3,497.91 mi (5,629.34 km) |
| Biddeford to Celle | 3,575.27 mi (5,753.85 km) |
| Biddeford to Cham | 3,779.48 mi (6,082.48 km) |
| Biddeford to Chemnitz | 3,738.26 mi (6,016.14 km) |
| Biddeford to Clausthal-Zellerfeld | 3,608.65 mi (5,807.55 km) |
| Biddeford to Cloppenburg | 3,491.14 mi (5,618.45 km) |
| Biddeford to Coburg | 3,679.46 mi (5,921.52 km) |
| Biddeford to Coesfeld | 3,481.11 mi (5,602.31 km) |
| Biddeford to Cologne | 3,500.42 mi (5,633.39 km) |
| Biddeford to Coswig | 3,754.55 mi (6,042.37 km) |
