| Serta to Montana | 1,627.51 mi (2,619.22 km) |
| Serta to Nova Zagora | 1,772.65 mi (2,852.81 km) |
| Serta to Novi Iskar | 1,635.98 mi (2,632.86 km) |
| Serta to Novi Pazar | 1,827.18 mi (2,940.56 km) |
| Serta to Omurtag | 1,789.25 mi (2,879.52 km) |
| Serta to Panagyurishte | 1,679.69 mi (2,703.19 km) |
| Serta to Parvomay | 1,734.83 mi (2,791.94 km) |
| Serta to Pavlikeni | 1,733.49 mi (2,789.78 km) |
| Serta to Pazardzhik | 1,689.12 mi (2,718.37 km) |
| Serta to Pernik | 1,620.80 mi (2,608.43 km) |
| Serta to Peshtera | 1,688.53 mi (2,717.43 km) |
| Serta to Petrich | 1,637.19 mi (2,634.80 km) |
| Serta to Pleven | 1,697.64 mi (2,732.10 km) |
| Serta to Plovdiv | 1,710.69 mi (2,753.09 km) |
| Serta to Pomorie | 1,853.24 mi (2,982.51 km) |
