| Monmouth to Montana | 1,331.02 mi (2,142.07 km) |
| Monmouth to Nova Zagora | 1,482.87 mi (2,386.45 km) |
| Monmouth to Novi Iskar | 1,360.72 mi (2,189.86 km) |
| Monmouth to Novi Pazar | 1,498.62 mi (2,411.79 km) |
| Monmouth to Omurtag | 1,475.49 mi (2,374.58 km) |
| Monmouth to Panagyurishte | 1,407.11 mi (2,264.52 km) |
| Monmouth to Parvomay | 1,465.97 mi (2,359.25 km) |
| Monmouth to Pavlikeni | 1,424.34 mi (2,292.25 km) |
| Monmouth to Pazardzhik | 1,425.65 mi (2,294.36 km) |
| Monmouth to Pernik | 1,356.04 mi (2,182.33 km) |
| Monmouth to Peshtera | 1,431.26 mi (2,303.40 km) |
| Monmouth to Petrich | 1,414.47 mi (2,276.36 km) |
| Monmouth to Pleven | 1,388.79 mi (2,235.05 km) |
| Monmouth to Plovdiv | 1,444.77 mi (2,325.13 km) |
| Monmouth to Pomorie | 1,546.39 mi (2,488.68 km) |
