| Biddeford to Karlskoga | 3,549.77 mi (5,712.80 km) |
| Biddeford to Karlskrona | 3,674.22 mi (5,913.08 km) |
| Biddeford to Karlstad | 3,515.52 mi (5,657.69 km) |
| Biddeford to Katrineholm | 3,613.64 mi (5,815.58 km) |
| Biddeford to Kavlinge | 3,597.82 mi (5,790.12 km) |
| Biddeford to Kinna | 3,536.05 mi (5,690.72 km) |
| Biddeford to Kiruna | 3,502.09 mi (5,636.07 km) |
| Biddeford to Klippansbruk | 3,590.12 mi (5,777.74 km) |
| Biddeford to Koping | 3,592.41 mi (5,781.43 km) |
| Biddeford to Kristianstad | 3,627.08 mi (5,837.23 km) |
| Biddeford to Kristinehamn | 3,537.57 mi (5,693.17 km) |
| Biddeford to Kumla | 3,575.64 mi (5,754.44 km) |
| Biddeford to Kungalv | 3,502.46 mi (5,636.66 km) |
| Biddeford to Kungsangen | 3,650.03 mi (5,874.15 km) |
| Biddeford to Kungsbacka | 3,515.72 mi (5,658.00 km) |
