| Southborough to Pyrzyce | 633.41 mi (1,019.37 km) |
| Southborough to Pyskowice | 801.58 mi (1,290.02 km) |
| Southborough to Raciborz | 789.16 mi (1,270.02 km) |
| Southborough to Radom | 899.97 mi (1,448.36 km) |
| Southborough to Radomsko | 829.81 mi (1,335.45 km) |
| Southborough to Radzionkow Nowy | 813.11 mi (1,308.58 km) |
| Southborough to Radzymin | 895.06 mi (1,440.46 km) |
| Southborough to Radzyn Podlaski | 959.49 mi (1,544.14 km) |
| Southborough to Rawa Mazowiecka | 858.74 mi (1,382.01 km) |
| Southborough to Rawicz | 714.60 mi (1,150.04 km) |
| Southborough to Reda | 788.28 mi (1,268.62 km) |
| Southborough to Rogozno | 719.30 mi (1,157.60 km) |
| Southborough to Ropczyce | 936.10 mi (1,506.51 km) |
| Southborough to Ruda Slaska | 813.45 mi (1,309.12 km) |
| Southborough to Rumia | 789.65 mi (1,270.82 km) |
