| Bullas to Oberkirch | 873.25 mi (1,405.36 km) |
| Bullas to Obernburg am Main | 973.98 mi (1,567.47 km) |
| Bullas to Obernkirchen | 1,111.31 mi (1,788.48 km) |
| Bullas to Oberschleissheim | 967.85 mi (1,557.61 km) |
| Bullas to Oberstdorf | 884.61 mi (1,423.65 km) |
| Bullas to Obertraubling | 1,021.37 mi (1,643.73 km) |
| Bullas to Obertshausen | 978.38 mi (1,574.55 km) |
| Bullas to Oberursel | 979.49 mi (1,576.34 km) |
| Bullas to Ochsenfurt | 989.67 mi (1,592.72 km) |
| Bullas to Ochsenhausen | 905.44 mi (1,457.17 km) |
| Bullas to Ochtrup | 1,067.33 mi (1,717.70 km) |
| Bullas to Odenthal | 994.33 mi (1,600.22 km) |
| Bullas to Oelde | 1,064.39 mi (1,712.97 km) |
| Bullas to Oelsnitz | 1,091.45 mi (1,756.52 km) |
| Bullas to Oer-Erkenschwick | 1,034.04 mi (1,664.13 km) |
