| Merthyr Tudful to Saint-Brice-sous-Foret | 315.80 mi (508.23 km) |
| Merthyr Tudful to Saint-Brieuc | 224.77 mi (361.74 km) |
| Merthyr Tudful to Saint-Chamas | 687.33 mi (1,106.14 km) |
| Merthyr Tudful to Saint-Chamond | 562.75 mi (905.65 km) |
| Merthyr Tudful to Saint-Claude | 557.77 mi (897.64 km) |
| Merthyr Tudful to Saint-Cloud | 318.11 mi (511.95 km) |
| Merthyr Tudful to Saint-Cyprien | 697.48 mi (1,122.49 km) |
| Merthyr Tudful to Saint-Cyr-l'Ecole | 314.59 mi (506.29 km) |
| Merthyr Tudful to Saint-Cyr-sur-Loire | 350.52 mi (564.11 km) |
| Merthyr Tudful to Saint-Cyr-sur-Mer | 726.75 mi (1,169.60 km) |
| Merthyr Tudful to Saint-Denis | 318.46 mi (512.51 km) |
| Merthyr Tudful to Saint-Die-des-Vosges | 516.42 mi (831.09 km) |
| Merthyr Tudful to Saint-Dizier | 425.92 mi (685.45 km) |
| Merthyr Tudful to Saint-Doulchard | 411.72 mi (662.60 km) |
| Merthyr Tudful to Saint-Egreve | 611.13 mi (983.52 km) |
