| Meram to Oberkirch | 1,423.06 mi (2,290.20 km) |
| Meram to Obernburg am Main | 1,417.15 mi (2,280.68 km) |
| Meram to Obernkirchen | 1,501.10 mi (2,415.78 km) |
| Meram to Oberschleissheim | 1,269.51 mi (2,043.07 km) |
| Meram to Oberstdorf | 1,299.59 mi (2,091.49 km) |
| Meram to Obertraubling | 1,268.76 mi (2,041.87 km) |
| Meram to Obertshausen | 1,436.46 mi (2,311.76 km) |
| Meram to Oberursel | 1,450.86 mi (2,334.94 km) |
| Meram to Ochsenfurt | 1,374.44 mi (2,211.94 km) |
| Meram to Ochsenhausen | 1,331.72 mi (2,143.20 km) |
| Meram to Ochtrup | 1,569.00 mi (2,525.07 km) |
| Meram to Odenthal | 1,533.85 mi (2,468.49 km) |
| Meram to Oelde | 1,520.82 mi (2,447.52 km) |
| Meram to Oelsnitz | 1,321.22 mi (2,126.30 km) |
| Meram to Oer-Erkenschwick | 1,548.05 mi (2,491.35 km) |
