| Boulder to Karis | 4,939.96 mi (7,950.10 km) |
| Boulder to Karkkila | 4,926.92 mi (7,929.12 km) |
| Boulder to Kauhajoki | 4,783.02 mi (7,697.52 km) |
| Boulder to Kauhava | 4,765.97 mi (7,670.09 km) |
| Boulder to Kauniainen | 4,955.03 mi (7,974.34 km) |
| Boulder to Kemi | 4,654.69 mi (7,491.00 km) |
| Boulder to Kemijarvi | 4,651.60 mi (7,486.03 km) |
| Boulder to Kempele | 4,716.03 mi (7,589.72 km) |
| Boulder to Kerava | 4,952.79 mi (7,970.74 km) |
| Boulder to Keuruu | 4,843.95 mi (7,795.58 km) |
| Boulder to Kiiminki | 4,708.96 mi (7,578.33 km) |
| Boulder to Kirkkonummi | 4,953.71 mi (7,972.23 km) |
| Boulder to Kitee | 4,956.91 mi (7,977.37 km) |
| Boulder to Kiuruvesi | 4,805.20 mi (7,733.22 km) |
| Boulder to Kivisto | 4,951.59 mi (7,968.81 km) |
