| Yambol to Obernburg am Main | 970.39 mi (1,561.69 km) |
| Yambol to Obernkirchen | 1,052.77 mi (1,694.27 km) |
| Yambol to Oberschleissheim | 825.18 mi (1,328.00 km) |
| Yambol to Oberstdorf | 861.06 mi (1,385.74 km) |
| Yambol to Obertraubling | 821.69 mi (1,322.39 km) |
| Yambol to Obertshausen | 989.44 mi (1,592.34 km) |
| Yambol to Oberursel | 1,003.73 mi (1,615.35 km) |
| Yambol to Ochsenfurt | 927.45 mi (1,492.59 km) |
| Yambol to Ochsenhausen | 890.14 mi (1,432.54 km) |
| Yambol to Ochtrup | 1,120.45 mi (1,803.19 km) |
| Yambol to Odenthal | 1,086.11 mi (1,747.93 km) |
| Yambol to Oelde | 1,072.27 mi (1,725.65 km) |
| Yambol to Oelsnitz | 872.66 mi (1,404.42 km) |
| Yambol to Oer-Erkenschwick | 1,099.69 mi (1,769.78 km) |
| Yambol to Oerlinghausen | 1,057.97 mi (1,702.63 km) |
