| Southborough to Rosolini | 1,225.97 mi (1,973.00 km) |
| Southborough to Rossano | 1,123.40 mi (1,807.93 km) |
| Southborough to Rottofreno | 600.12 mi (965.80 km) |
| Southborough to Rovato | 589.87 mi (949.30 km) |
| Southborough to Roverbella | 631.05 mi (1,015.57 km) |
| Southborough to Rovereto | 612.59 mi (985.86 km) |
| Southborough to Rovigo | 676.31 mi (1,088.41 km) |
| Southborough to Rozzano | 570.43 mi (918.01 km) |
| Southborough to Rubano | 659.71 mi (1,061.70 km) |
| Southborough to Rubiera | 661.88 mi (1,065.19 km) |
| Southborough to Ruffano | 1,157.54 mi (1,862.88 km) |
| Southborough to Russi | 718.44 mi (1,156.21 km) |
| Southborough to Rutigliano | 1,061.21 mi (1,707.85 km) |
| Southborough to Ruvo di Puglia | 1,037.18 mi (1,669.18 km) |
| Southborough to Sabaudia | 911.77 mi (1,467.35 km) |
