| Mason City to Krosno Odrzanskie | 4,596.94 mi (7,398.07 km) |
| Mason City to Krotoszyn | 4,687.34 mi (7,543.55 km) |
| Mason City to Kruszwica | 4,668.76 mi (7,513.64 km) |
| Mason City to Krynica | 4,907.53 mi (7,897.91 km) |
| Mason City to Krzeszowice | 4,830.55 mi (7,774.02 km) |
| Mason City to Kudowa-Zdroj | 4,706.93 mi (7,575.08 km) |
| Mason City to Kutno | 4,721.60 mi (7,598.68 km) |
| Mason City to Kwidzyn | 4,637.34 mi (7,463.08 km) |
| Mason City to Lancut | 4,915.18 mi (7,910.22 km) |
| Mason City to Lapy | 4,790.43 mi (7,709.46 km) |
| Mason City to Lask | 4,745.01 mi (7,636.35 km) |
| Mason City to Laziska Gorne | 4,804.82 mi (7,732.60 km) |
| Mason City to Lebork | 4,564.14 mi (7,345.27 km) |
| Mason City to Leczna | 4,873.76 mi (7,843.56 km) |
| Mason City to Leczyca | 4,725.20 mi (7,604.47 km) |
