| Southborough to Opovo | 1,017.27 mi (1,637.14 km) |
| Southborough to Osecina | 1,009.01 mi (1,623.84 km) |
| Southborough to Padinska Skela | 1,021.11 mi (1,643.33 km) |
| Southborough to Pancevo | 1,032.61 mi (1,661.83 km) |
| Southborough to Paracin | 1,102.81 mi (1,774.80 km) |
| Southborough to Pecinci | 1,003.67 mi (1,615.24 km) |
| Southborough to Petrovac na Mlavi | 1,083.22 mi (1,743.27 km) |
| Southborough to Petrovaradin | 986.71 mi (1,587.95 km) |
| Southborough to Pirot | 1,179.11 mi (1,897.60 km) |
| Southborough to Plandiste | 1,039.83 mi (1,673.45 km) |
| Southborough to Pozarevac | 1,064.65 mi (1,713.39 km) |
| Southborough to Pozega | 1,047.45 mi (1,685.71 km) |
| Southborough to Presevo | 1,176.63 mi (1,893.60 km) |
| Southborough to Priboj | 1,037.67 mi (1,669.96 km) |
| Southborough to Prijepolje | 1,044.34 mi (1,680.70 km) |
