| Hillsboro to Klaukkala | 4,896.53 mi (7,880.21 km) |
| Hillsboro to Kokkola | 4,657.42 mi (7,495.40 km) |
| Hillsboro to Kontiolahti | 4,805.48 mi (7,733.67 km) |
| Hillsboro to Korsholm | 4,683.22 mi (7,536.92 km) |
| Hillsboro to Kotka | 4,919.84 mi (7,917.71 km) |
| Hillsboro to Kouvola | 4,891.11 mi (7,871.48 km) |
| Hillsboro to Kuhmo | 4,713.85 mi (7,586.20 km) |
| Hillsboro to Kuopio | 4,773.03 mi (7,681.45 km) |
| Hillsboro to Kurikka | 4,723.96 mi (7,602.48 km) |
| Hillsboro to Kuusamo | 4,591.36 mi (7,389.09 km) |
| Hillsboro to Kuusankoski | 4,887.51 mi (7,865.70 km) |
| Hillsboro to Lahti | 4,870.26 mi (7,837.92 km) |
| Hillsboro to Laitila | 4,822.22 mi (7,760.61 km) |
| Hillsboro to Lapinlahti | 4,739.18 mi (7,626.98 km) |
| Hillsboro to Lappeenranta | 4,896.52 mi (7,880.19 km) |
