| Biddeford to Kamen | 3,510.49 mi (5,649.59 km) |
| Biddeford to Kamenz | 3,770.16 mi (6,067.49 km) |
| Biddeford to Kamp-Lintfort | 3,468.32 mi (5,581.73 km) |
| Biddeford to Kandel | 3,604.24 mi (5,800.47 km) |
| Biddeford to Kappeln | 3,513.55 mi (5,654.51 km) |
| Biddeford to Karben | 3,593.05 mi (5,782.46 km) |
| Biddeford to Karlsdorf-Neuthard | 3,616.65 mi (5,820.44 km) |
| Biddeford to Karlsfeld | 3,764.30 mi (6,058.06 km) |
| Biddeford to Karlsruhe | 3,614.79 mi (5,817.44 km) |
| Biddeford to Kassel | 3,590.26 mi (5,777.97 km) |
| Biddeford to Kaufbeuren | 3,740.73 mi (6,020.12 km) |
| Biddeford to Kaufering | 3,744.85 mi (6,026.76 km) |
| Biddeford to Kaufungen | 3,596.00 mi (5,787.20 km) |
| Biddeford to Kehl | 3,604.07 mi (5,800.20 km) |
| Biddeford to Kelheim | 3,757.84 mi (6,047.65 km) |
