| Mason City to Kothen | 4,505.61 mi (7,251.09 km) |
| Mason City to Kranenburg | 4,303.08 mi (6,925.14 km) |
| Mason City to Krefeld | 4,341.02 mi (6,986.20 km) |
| Mason City to Kressbronn am Bodensee | 4,606.60 mi (7,413.60 km) |
| Mason City to Kreuzau | 4,362.27 mi (7,020.40 km) |
| Mason City to Kreuztal | 4,404.85 mi (7,088.92 km) |
| Mason City to Kriftel | 4,459.37 mi (7,176.66 km) |
| Mason City to Kronach | 4,551.69 mi (7,325.24 km) |
| Mason City to Kronberg | 4,456.29 mi (7,171.71 km) |
| Mason City to Kronshagen | 4,335.62 mi (6,977.50 km) |
| Mason City to Krumbach | 4,605.42 mi (7,411.71 km) |
| Mason City to Kulmbach | 4,561.47 mi (7,340.98 km) |
| Mason City to Kummersbruck | 4,607.07 mi (7,414.36 km) |
| Mason City to Kunzell | 4,482.99 mi (7,214.68 km) |
| Mason City to Kunzelsau | 4,536.27 mi (7,300.42 km) |
