| Oswego to Nuth | 4,229.42 mi (6,806.59 km) |
| Oswego to Oegstgeest | 4,132.12 mi (6,650.01 km) |
| Oswego to Oirschot | 4,186.83 mi (6,738.06 km) |
| Oswego to Oisterwijk | 4,180.18 mi (6,727.35 km) |
| Oswego to Oldebroek | 4,174.76 mi (6,718.62 km) |
| Oswego to Oldenzaal | 4,216.74 mi (6,786.19 km) |
| Oswego to Ommen | 4,190.96 mi (6,744.69 km) |
| Oswego to Oosterend | 4,161.02 mi (6,696.52 km) |
| Oswego to Oosterhout | 4,165.43 mi (6,703.62 km) |
| Oswego to Oosterwolde | 4,169.52 mi (6,710.19 km) |
| Oswego to Oostzaan | 4,138.56 mi (6,660.36 km) |
| Oswego to Opmeer | 4,131.64 mi (6,649.23 km) |
| Oswego to Oss | 4,185.24 mi (6,735.50 km) |
| Oswego to Oud-Beijerland | 4,142.50 mi (6,666.70 km) |
| Oswego to Oudenbosch | 4,155.06 mi (6,686.92 km) |
