| Hillsboro to Montana | 5,950.42 mi (9,576.28 km) |
| Hillsboro to Nova Zagora | 6,062.23 mi (9,756.22 km) |
| Hillsboro to Novi Iskar | 5,991.59 mi (9,642.54 km) |
| Hillsboro to Novi Pazar | 6,028.09 mi (9,701.27 km) |
| Hillsboro to Omurtag | 6,030.32 mi (9,704.86 km) |
| Hillsboro to Panagyurishte | 6,027.03 mi (9,699.57 km) |
| Hillsboro to Parvomay | 6,072.47 mi (9,772.70 km) |
| Hillsboro to Pavlikeni | 6,001.07 mi (9,657.79 km) |
| Hillsboro to Pazardzhik | 6,049.12 mi (9,735.11 km) |
| Hillsboro to Pernik | 5,998.02 mi (9,652.89 km) |
| Hillsboro to Peshtera | 6,059.13 mi (9,751.22 km) |
| Hillsboro to Petrich | 6,078.10 mi (9,781.76 km) |
| Hillsboro to Pleven | 5,977.35 mi (9,619.61 km) |
| Hillsboro to Plovdiv | 6,060.36 mi (9,753.21 km) |
| Hillsboro to Pomorie | 6,086.05 mi (9,794.56 km) |
