| Mason City to Kidricevo | 4,880.61 mi (7,854.58 km) |
| Mason City to Kobarid | 4,809.84 mi (7,740.69 km) |
| Mason City to Kobilje | 4,888.19 mi (7,866.78 km) |
| Mason City to Kocevje | 4,883.44 mi (7,859.13 km) |
| Mason City to Komen | 4,835.88 mi (7,782.59 km) |
| Mason City to Komenda | 4,845.74 mi (7,798.46 km) |
| Mason City to Koper | 4,847.56 mi (7,801.40 km) |
| Mason City to Kostanjevica na Krki | 4,893.89 mi (7,875.96 km) |
| Mason City to Kostel | 4,891.53 mi (7,872.15 km) |
| Mason City to Kozje | 4,887.88 mi (7,866.29 km) |
| Mason City to Kranj | 4,838.44 mi (7,786.71 km) |
| Mason City to Kranjska Gora | 4,806.25 mi (7,734.91 km) |
| Mason City to Krizevci | 4,885.06 mi (7,861.75 km) |
| Mason City to Krsko | 4,891.06 mi (7,871.41 km) |
| Mason City to Kuzma | 4,870.34 mi (7,838.06 km) |
