| Southwick to Saint-Nazaire | 261.85 mi (421.41 km) |
| Southwick to Saint-Omer | 109.34 mi (175.97 km) |
| Southwick to Saint-Orens-de-Gameville | 510.11 mi (820.95 km) |
| Southwick to Saint-Ouen | 175.46 mi (282.38 km) |
| Southwick to Saint-Ouen-l'Aumone | 161.97 mi (260.66 km) |
| Southwick to Saint-Paul-les-Dax | 492.75 mi (793.01 km) |
| Southwick to Saint-Paul-Trois-Chateaux | 505.03 mi (812.77 km) |
| Southwick to Saint-Philbert-de-Grand-Lieu | 270.20 mi (434.84 km) |
| Southwick to Saint-Pierre-des-Corps | 242.02 mi (389.49 km) |
| Southwick to Saint-Pierre-du-Mont | 480.62 mi (773.48 km) |
| Southwick to Saint-Pierre-du-Perray | 196.20 mi (315.75 km) |
| Southwick to Saint-Pol-sur-Mer | 113.27 mi (182.29 km) |
| Southwick to Saint-Priest | 427.44 mi (687.89 km) |
| Southwick to Saint-Quentin | 169.74 mi (273.17 km) |
| Southwick to Saint-Rambert | 422.37 mi (679.75 km) |
