| Botevgrad to Obernburg am Main | 844.62 mi (1,359.28 km) |
| Botevgrad to Obernkirchen | 937.94 mi (1,509.46 km) |
| Botevgrad to Oberschleissheim | 695.83 mi (1,119.84 km) |
| Botevgrad to Oberstdorf | 726.91 mi (1,169.86 km) |
| Botevgrad to Obertraubling | 696.83 mi (1,121.45 km) |
| Botevgrad to Obertshausen | 864.20 mi (1,390.79 km) |
| Botevgrad to Oberursel | 878.71 mi (1,414.15 km) |
| Botevgrad to Ochsenfurt | 802.21 mi (1,291.04 km) |
| Botevgrad to Ochsenhausen | 758.12 mi (1,220.07 km) |
| Botevgrad to Ochtrup | 1,001.89 mi (1,612.39 km) |
| Botevgrad to Odenthal | 962.56 mi (1,549.09 km) |
| Botevgrad to Oelde | 953.67 mi (1,534.79 km) |
| Botevgrad to Oelsnitz | 755.46 mi (1,215.80 km) |
| Botevgrad to Oer-Erkenschwick | 978.84 mi (1,575.29 km) |
| Botevgrad to Oerlinghausen | 940.89 mi (1,514.21 km) |
