| Caernarfon to Saint-Esteve | 791.16 mi (1,273.25 km) |
| Caernarfon to Saint-Etienne | 659.12 mi (1,060.75 km) |
| Caernarfon to Saint-Etienne-du-Rouvray | 348.45 mi (560.78 km) |
| Caernarfon to Saint-Fargeau | 435.23 mi (700.44 km) |
| Caernarfon to Saint-Fons | 656.01 mi (1,055.75 km) |
| Caernarfon to Saint-Gaudens | 729.94 mi (1,174.73 km) |
| Caernarfon to Saint-Gely-du-Fesc | 749.44 mi (1,206.11 km) |
| Caernarfon to Saint-Genis-Laval | 655.05 mi (1,054.20 km) |
| Caernarfon to Saint-Genis-Pouilly | 661.06 mi (1,063.88 km) |
| Caernarfon to Saint-Germain-en-Laye | 402.65 mi (648.01 km) |
| Caernarfon to Saint-Germain-les-Arpajon | 423.42 mi (681.43 km) |
| Caernarfon to Saint-Gilles | 764.70 mi (1,230.67 km) |
| Caernarfon to Saint-Gratien | 404.56 mi (651.08 km) |
| Caernarfon to Saint-Gregoire | 362.75 mi (583.79 km) |
| Caernarfon to Saint-Herblain | 425.59 mi (684.92 km) |
