| Lake Oswego to Ratingen | 5,110.06 mi (8,223.85 km) |
| Lake Oswego to Ratzeburg | 5,061.24 mi (8,145.28 km) |
| Lake Oswego to Raubling | 5,440.98 mi (8,756.42 km) |
| Lake Oswego to Rauenberg | 5,272.30 mi (8,484.94 km) |
| Lake Oswego to Raunheim | 5,222.70 mi (8,405.13 km) |
| Lake Oswego to Ravensburg | 5,381.15 mi (8,660.13 km) |
| Lake Oswego to Recke | 5,069.63 mi (8,158.78 km) |
| Lake Oswego to Recklinghausen | 5,101.33 mi (8,209.79 km) |
| Lake Oswego to Regen | 5,394.43 mi (8,681.49 km) |
| Lake Oswego to Regensburg | 5,367.41 mi (8,638.01 km) |
| Lake Oswego to Regenstauf | 5,362.09 mi (8,629.46 km) |
| Lake Oswego to Rehau | 5,292.66 mi (8,517.71 km) |
| Lake Oswego to Rehburg-Loccum | 5,099.54 mi (8,206.92 km) |
| Lake Oswego to Rehlingen-Siersburg | 5,216.21 mi (8,394.68 km) |
| Lake Oswego to Reichelsheim | 5,249.64 mi (8,448.48 km) |
