| Otsego to Opwijk | 4,183.76 mi (6,733.10 km) |
| Otsego to Ostend | 4,128.99 mi (6,644.96 km) |
| Otsego to Oud-Heverlee | 4,206.13 mi (6,769.11 km) |
| Otsego to Oud-Turnhout | 4,196.94 mi (6,754.32 km) |
| Otsego to Oudenaarde | 4,168.18 mi (6,708.04 km) |
| Otsego to Oudenburg | 4,133.53 mi (6,652.28 km) |
| Otsego to Oupeye | 4,245.26 mi (6,832.08 km) |
| Otsego to Overijse | 4,203.57 mi (6,764.99 km) |
| Otsego to Overpelt | 4,216.03 mi (6,785.05 km) |
| Otsego to Paal | 4,215.07 mi (6,783.50 km) |
| Otsego to Peer | 4,220.83 mi (6,792.76 km) |
| Otsego to Pepinster | 4,257.27 mi (6,851.41 km) |
| Otsego to Peruwelz | 4,181.33 mi (6,729.19 km) |
| Otsego to Perwez | 4,220.04 mi (6,791.49 km) |
| Otsego to Philippeville | 4,228.53 mi (6,805.15 km) |
