| Irthlingborough to Karlskoga | 758.11 mi (1,220.06 km) |
| Irthlingborough to Karlskrona | 703.66 mi (1,132.43 km) |
| Irthlingborough to Karlstad | 730.42 mi (1,175.50 km) |
| Irthlingborough to Katrineholm | 797.80 mi (1,283.94 km) |
| Irthlingborough to Kavlinge | 604.81 mi (973.34 km) |
| Irthlingborough to Kinna | 636.66 mi (1,024.61 km) |
| Irthlingborough to Kiruna | 1,278.18 mi (2,057.03 km) |
| Irthlingborough to Klippansbruk | 613.26 mi (986.94 km) |
| Irthlingborough to Koping | 808.59 mi (1,301.30 km) |
| Irthlingborough to Kristianstad | 647.45 mi (1,041.97 km) |
| Irthlingborough to Kristinehamn | 745.08 mi (1,199.08 km) |
| Irthlingborough to Kumla | 768.72 mi (1,237.13 km) |
| Irthlingborough to Kungalv | 626.11 mi (1,007.62 km) |
| Irthlingborough to Kungsangen | 861.80 mi (1,386.93 km) |
| Irthlingborough to Kungsbacka | 615.57 mi (990.67 km) |
