| Biddeford to Karahalli | 4,895.60 mi (7,878.70 km) |
| Biddeford to Karakocan | 5,279.53 mi (8,496.58 km) |
| Biddeford to Karakopru | 5,319.06 mi (8,560.20 km) |
| Biddeford to Karaman | 5,098.60 mi (8,205.40 km) |
| Biddeford to Karapinar | 5,087.00 mi (8,186.74 km) |
| Biddeford to Karatas | 5,214.93 mi (8,392.62 km) |
| Biddeford to Karatepe | 4,805.13 mi (7,733.11 km) |
| Biddeford to Karayilan | 5,241.53 mi (8,435.43 km) |
| Biddeford to Kargipinar | 5,171.27 mi (8,322.36 km) |
| Biddeford to Karkamis | 5,305.43 mi (8,538.26 km) |
| Biddeford to Karliova | 5,298.85 mi (8,527.68 km) |
| Biddeford to Kars | 5,309.24 mi (8,544.39 km) |
| Biddeford to Kartal | 4,767.23 mi (7,672.12 km) |
| Biddeford to Kas | 4,996.68 mi (8,041.38 km) |
| Biddeford to Kastamonu | 4,925.23 mi (7,926.39 km) |
