| Olton to Montana | 1,306.65 mi (2,102.84 km) |
| Olton to Nova Zagora | 1,457.23 mi (2,345.19 km) |
| Olton to Novi Iskar | 1,337.55 mi (2,152.58 km) |
| Olton to Novi Pazar | 1,470.02 mi (2,365.76 km) |
| Olton to Omurtag | 1,448.19 mi (2,330.64 km) |
| Olton to Panagyurishte | 1,383.57 mi (2,226.64 km) |
| Olton to Parvomay | 1,442.04 mi (2,320.73 km) |
| Olton to Pavlikeni | 1,397.91 mi (2,249.72 km) |
| Olton to Pazardzhik | 1,402.57 mi (2,257.22 km) |
| Olton to Pernik | 1,333.72 mi (2,146.41 km) |
| Olton to Peshtera | 1,408.57 mi (2,266.87 km) |
| Olton to Petrich | 1,394.51 mi (2,244.24 km) |
| Olton to Pleven | 1,362.79 mi (2,193.20 km) |
| Olton to Plovdiv | 1,421.29 mi (2,287.34 km) |
| Olton to Pomorie | 1,518.90 mi (2,444.43 km) |
