| Lake Oswego to Nyon | 5,375.62 mi (8,651.23 km) |
| Lake Oswego to Oberriet | 5,407.37 mi (8,702.32 km) |
| Lake Oswego to Obersiggenthal | 5,365.45 mi (8,634.86 km) |
| Lake Oswego to Oberwil | 5,345.13 mi (8,602.15 km) |
| Lake Oswego to Oberwingert | 5,375.73 mi (8,651.40 km) |
| Lake Oswego to Oftringen | 5,365.77 mi (8,635.38 km) |
| Lake Oswego to Olten | 5,363.42 mi (8,631.59 km) |
| Lake Oswego to Onex | 5,383.52 mi (8,663.94 km) |
| Lake Oswego to Opfikon | 5,375.51 mi (8,651.05 km) |
| Lake Oswego to Ostermundigen | 5,375.71 mi (8,651.36 km) |
| Lake Oswego to Payerne | 5,369.21 mi (8,640.91 km) |
| Lake Oswego to Pfaffikon | 5,384.84 mi (8,666.07 km) |
| Lake Oswego to Plan-les-Ouates | 5,384.92 mi (8,666.19 km) |
| Lake Oswego to Pratteln | 5,348.66 mi (8,607.84 km) |
| Lake Oswego to Prilly | 5,376.74 mi (8,653.03 km) |
