| Mason City to Karlskoga | 4,258.90 mi (6,854.03 km) |
| Mason City to Karlskrona | 4,427.08 mi (7,124.70 km) |
| Mason City to Karlstad | 4,228.71 mi (6,805.45 km) |
| Mason City to Katrineholm | 4,319.89 mi (6,952.19 km) |
| Mason City to Kavlinge | 4,368.86 mi (7,031.00 km) |
| Mason City to Kinna | 4,282.92 mi (6,892.69 km) |
| Mason City to Kiruna | 4,036.31 mi (6,495.81 km) |
| Mason City to Klippansbruk | 4,356.15 mi (7,010.55 km) |
| Mason City to Koping | 4,291.49 mi (6,906.49 km) |
| Mason City to Kristianstad | 4,389.37 mi (7,064.01 km) |
| Mason City to Kristinehamn | 4,249.15 mi (6,838.34 km) |
| Mason City to Kumla | 4,285.29 mi (6,896.50 km) |
| Mason City to Kungalv | 4,247.23 mi (6,835.25 km) |
| Mason City to Kungsangen | 4,340.83 mi (6,985.89 km) |
| Mason City to Kungsbacka | 4,266.07 mi (6,865.57 km) |
