| Spencer to Montana | 5,348.23 mi (8,607.14 km) |
| Spencer to Nova Zagora | 5,487.83 mi (8,831.81 km) |
| Spencer to Novi Iskar | 5,384.13 mi (8,664.92 km) |
| Spencer to Novi Pazar | 5,479.66 mi (8,818.66 km) |
| Spencer to Omurtag | 5,468.24 mi (8,800.28 km) |
| Spencer to Panagyurishte | 5,427.47 mi (8,734.66 km) |
| Spencer to Parvomay | 5,482.64 mi (8,823.46 km) |
| Spencer to Pavlikeni | 5,425.46 mi (8,731.43 km) |
| Spencer to Pazardzhik | 5,448.21 mi (8,768.05 km) |
| Spencer to Pernik | 5,383.99 mi (8,664.70 km) |
| Spencer to Peshtera | 5,455.89 mi (8,780.41 km) |
| Spencer to Petrich | 5,452.67 mi (8,775.22 km) |
| Spencer to Pleven | 5,394.02 mi (8,680.84 km) |
| Spencer to Plovdiv | 5,464.63 mi (8,794.47 km) |
| Spencer to Pomorie | 5,534.99 mi (8,907.71 km) |
