| Swallownest to Montana | 1,309.80 mi (2,107.92 km) |
| Swallownest to Nova Zagora | 1,458.43 mi (2,347.12 km) |
| Swallownest to Novi Iskar | 1,342.16 mi (2,160.00 km) |
| Swallownest to Novi Pazar | 1,467.30 mi (2,361.39 km) |
| Swallownest to Omurtag | 1,447.24 mi (2,329.11 km) |
| Swallownest to Panagyurishte | 1,387.61 mi (2,233.14 km) |
| Swallownest to Parvomay | 1,445.45 mi (2,326.22 km) |
| Swallownest to Pavlikeni | 1,398.21 mi (2,250.21 km) |
| Swallownest to Pazardzhik | 1,407.14 mi (2,264.57 km) |
| Swallownest to Pernik | 1,339.39 mi (2,155.54 km) |
| Swallownest to Peshtera | 1,413.61 mi (2,274.99 km) |
| Swallownest to Petrich | 1,402.97 mi (2,257.85 km) |
| Swallownest to Pleven | 1,363.72 mi (2,194.70 km) |
| Swallownest to Plovdiv | 1,425.31 mi (2,293.82 km) |
| Swallownest to Pomorie | 1,517.56 mi (2,442.28 km) |
