| Didcot to Saint-Brice-sous-Foret | 240.08 mi (386.38 km) |
| Didcot to Saint-Brieuc | 224.09 mi (360.64 km) |
| Didcot to Saint-Chamas | 628.22 mi (1,011.03 km) |
| Didcot to Saint-Chamond | 498.28 mi (801.91 km) |
| Didcot to Saint-Claude | 483.02 mi (777.35 km) |
| Didcot to Saint-Cloud | 244.75 mi (393.89 km) |
| Didcot to Saint-Cyprien | 652.04 mi (1,049.36 km) |
| Didcot to Saint-Cyr-l'Ecole | 242.69 mi (390.57 km) |
| Didcot to Saint-Cyr-sur-Loire | 302.88 mi (487.44 km) |
| Didcot to Saint-Cyr-sur-Mer | 665.86 mi (1,071.59 km) |
| Didcot to Saint-Denis | 243.35 mi (391.63 km) |
| Didcot to Saint-Die-des-Vosges | 430.07 mi (692.14 km) |
| Didcot to Saint-Dizier | 342.23 mi (550.77 km) |
| Didcot to Saint-Doulchard | 351.17 mi (565.16 km) |
| Didcot to Saint-Egreve | 542.42 mi (872.93 km) |
