| Slagelse to Montana | 982.84 mi (1,581.73 km) |
| Slagelse to Nova Zagora | 1,108.17 mi (1,783.42 km) |
| Slagelse to Novi Iskar | 1,022.95 mi (1,646.29 km) |
| Slagelse to Novi Pazar | 1,091.11 mi (1,755.97 km) |
| Slagelse to Omurtag | 1,083.45 mi (1,743.65 km) |
| Slagelse to Panagyurishte | 1,061.12 mi (1,707.71 km) |
| Slagelse to Parvomay | 1,110.86 mi (1,787.76 km) |
| Slagelse to Pavlikeni | 1,045.56 mi (1,682.66 km) |
| Slagelse to Pazardzhik | 1,083.01 mi (1,742.93 km) |
| Slagelse to Pernik | 1,027.95 mi (1,654.32 km) |
| Slagelse to Peshtera | 1,092.37 mi (1,758.01 km) |
| Slagelse to Petrich | 1,106.78 mi (1,781.18 km) |
| Slagelse to Pleven | 1,017.52 mi (1,637.54 km) |
| Slagelse to Plovdiv | 1,096.21 mi (1,764.18 km) |
| Slagelse to Pomorie | 1,147.61 mi (1,846.90 km) |
