| Byram to Oberkirch | 4,938.88 mi (7,948.35 km) |
| Byram to Obernburg am Main | 4,938.42 mi (7,947.62 km) |
| Byram to Obernkirchen | 4,859.01 mi (7,819.82 km) |
| Byram to Oberschleissheim | 5,087.97 mi (8,188.30 km) |
| Byram to Oberstdorf | 5,065.30 mi (8,151.81 km) |
| Byram to Obertraubling | 5,086.57 mi (8,186.04 km) |
| Byram to Obertshausen | 4,918.95 mi (7,916.29 km) |
| Byram to Oberursel | 4,904.50 mi (7,893.03 km) |
| Byram to Ochsenfurt | 4,980.97 mi (8,016.10 km) |
| Byram to Ochsenhausen | 5,029.36 mi (8,093.97 km) |
| Byram to Ochtrup | 4,788.17 mi (7,705.81 km) |
| Byram to Odenthal | 4,821.36 mi (7,759.23 km) |
| Byram to Oelde | 4,836.17 mi (7,783.07 km) |
| Byram to Oelsnitz | 5,035.91 mi (8,104.52 km) |
| Byram to Oer-Erkenschwick | 4,807.75 mi (7,737.33 km) |
