| Biddeford to Klaukkala | 3,838.82 mi (6,177.99 km) |
| Biddeford to Kokkola | 3,683.55 mi (5,928.10 km) |
| Biddeford to Kontiolahti | 3,902.08 mi (6,279.80 km) |
| Biddeford to Korsholm | 3,664.11 mi (5,896.81 km) |
| Biddeford to Kotka | 3,900.99 mi (6,278.03 km) |
| Biddeford to Kouvola | 3,880.13 mi (6,244.46 km) |
| Biddeford to Kuhmo | 3,845.51 mi (6,188.75 km) |
| Biddeford to Kuopio | 3,838.51 mi (6,177.49 km) |
| Biddeford to Kurikka | 3,699.30 mi (5,953.45 km) |
| Biddeford to Kuusamo | 3,774.67 mi (6,074.74 km) |
| Biddeford to Kuusankoski | 3,876.39 mi (6,238.45 km) |
| Biddeford to Lahti | 3,845.40 mi (6,188.57 km) |
| Biddeford to Laitila | 3,731.21 mi (6,004.80 km) |
| Biddeford to Lapinlahti | 3,814.51 mi (6,138.86 km) |
| Biddeford to Lappeenranta | 3,915.99 mi (6,302.17 km) |
