| Hillsboro to Karis | 4,901.22 mi (7,887.76 km) |
| Hillsboro to Karkkila | 4,879.70 mi (7,853.12 km) |
| Hillsboro to Kauhajoki | 4,732.47 mi (7,616.17 km) |
| Hillsboro to Kauhava | 4,702.68 mi (7,568.23 km) |
| Hillsboro to Kauniainen | 4,906.80 mi (7,896.74 km) |
| Hillsboro to Kemi | 4,555.79 mi (7,331.84 km) |
| Hillsboro to Kemijarvi | 4,525.30 mi (7,282.77 km) |
| Hillsboro to Kempele | 4,618.86 mi (7,433.34 km) |
| Hillsboro to Kerava | 4,900.11 mi (7,885.97 km) |
| Hillsboro to Keuruu | 4,777.11 mi (7,688.01 km) |
| Hillsboro to Kiiminki | 4,607.95 mi (7,415.78 km) |
| Hillsboro to Kirkkonummi | 4,908.81 mi (7,899.97 km) |
| Hillsboro to Kitee | 4,851.88 mi (7,808.35 km) |
| Hillsboro to Kiuruvesi | 4,712.14 mi (7,583.45 km) |
| Hillsboro to Kivisto | 4,901.54 mi (7,888.27 km) |
