| Lake Oswego to Rosolini | 6,173.08 mi (9,934.61 km) |
| Lake Oswego to Rossano | 6,047.45 mi (9,732.43 km) |
| Lake Oswego to Rottofreno | 5,539.36 mi (8,914.73 km) |
| Lake Oswego to Rovato | 5,520.92 mi (8,885.06 km) |
| Lake Oswego to Roverbella | 5,558.02 mi (8,944.78 km) |
| Lake Oswego to Rovereto | 5,528.59 mi (8,897.41 km) |
| Lake Oswego to Rovigo | 5,594.66 mi (9,003.74 km) |
| Lake Oswego to Rozzano | 5,510.01 mi (8,867.50 km) |
| Lake Oswego to Rubano | 5,573.42 mi (8,969.55 km) |
| Lake Oswego to Rubiera | 5,594.94 mi (9,004.18 km) |
| Lake Oswego to Ruffano | 6,060.41 mi (9,753.28 km) |
| Lake Oswego to Russi | 5,642.60 mi (9,080.89 km) |
| Lake Oswego to Rutigliano | 5,969.88 mi (9,607.60 km) |
| Lake Oswego to Ruvo di Puglia | 5,948.67 mi (9,573.46 km) |
| Lake Oswego to Sabaudia | 5,851.95 mi (9,417.80 km) |
