| Owings Mills to Rosolini | 4,753.45 mi (7,649.93 km) |
| Owings Mills to Rossano | 4,722.98 mi (7,600.90 km) |
| Owings Mills to Rottofreno | 4,217.35 mi (6,787.17 km) |
| Owings Mills to Rovato | 4,219.98 mi (6,791.40 km) |
| Owings Mills to Roverbella | 4,262.62 mi (6,860.02 km) |
| Owings Mills to Rovereto | 4,254.20 mi (6,846.47 km) |
| Owings Mills to Rovigo | 4,312.59 mi (6,940.45 km) |
| Owings Mills to Rozzano | 4,189.65 mi (6,742.59 km) |
| Owings Mills to Rubano | 4,300.23 mi (6,920.54 km) |
| Owings Mills to Rubiera | 4,283.92 mi (6,894.30 km) |
| Owings Mills to Ruffano | 4,777.75 mi (7,689.05 km) |
| Owings Mills to Russi | 4,346.85 mi (6,995.58 km) |
| Owings Mills to Rutigliano | 4,682.19 mi (7,535.26 km) |
| Owings Mills to Ruvo di Puglia | 4,657.09 mi (7,494.85 km) |
| Owings Mills to Sabaudia | 4,498.62 mi (7,239.84 km) |
