| Southborough to Saint-Nazaire | 290.85 mi (468.07 km) |
| Southborough to Saint-Omer | 91.39 mi (147.08 km) |
| Southborough to Saint-Orens-de-Gameville | 529.01 mi (851.36 km) |
| Southborough to Saint-Ouen | 180.39 mi (290.30 km) |
| Southborough to Saint-Ouen-l'Aumone | 167.47 mi (269.51 km) |
| Southborough to Saint-Paul-les-Dax | 517.31 mi (832.53 km) |
| Southborough to Saint-Paul-Trois-Chateaux | 514.75 mi (828.40 km) |
| Southborough to Saint-Philbert-de-Grand-Lieu | 297.72 mi (479.13 km) |
| Southborough to Saint-Pierre-des-Corps | 261.25 mi (420.43 km) |
| Southborough to Saint-Pierre-du-Mont | 504.14 mi (811.33 km) |
| Southborough to Saint-Pierre-du-Perray | 202.01 mi (325.11 km) |
| Southborough to Saint-Pol-sur-Mer | 90.63 mi (145.86 km) |
| Southborough to Saint-Priest | 433.93 mi (698.35 km) |
| Southborough to Saint-Quentin | 160.71 mi (258.64 km) |
| Southborough to Saint-Rambert | 431.46 mi (694.37 km) |
