| Pornic to Saint-Etienne | 331.02 mi (532.73 km) |
| Pornic to Saint-Etienne-du-Rouvray | 214.99 mi (346.00 km) |
| Pornic to Saint-Fargeau | 236.76 mi (381.03 km) |
| Pornic to Saint-Fons | 345.22 mi (555.58 km) |
| Pornic to Saint-Gaudens | 309.24 mi (497.68 km) |
| Pornic to Saint-Gely-du-Fesc | 371.47 mi (597.82 km) |
| Pornic to Saint-Genis-Laval | 342.75 mi (551.61 km) |
| Pornic to Saint-Genis-Pouilly | 389.64 mi (627.07 km) |
| Pornic to Saint-Germain-en-Laye | 229.78 mi (369.80 km) |
| Pornic to Saint-Germain-les-Arpajon | 226.43 mi (364.40 km) |
| Pornic to Saint-Gilles | 395.92 mi (637.16 km) |
| Pornic to Saint-Gratien | 239.73 mi (385.81 km) |
| Pornic to Saint-Gregoire | 74.14 mi (119.31 km) |
| Pornic to Saint-Herblain | 22.33 mi (35.94 km) |
| Pornic to Saint-Hilaire-de-Riez | 28.26 mi (45.47 km) |
