| Chepstow to Sangeorgiu de Mures | 1,269.05 mi (2,042.34 km) |
| Chepstow to Sangeorz-Bai | 1,254.31 mi (2,018.62 km) |
| Chepstow to Sannicolau Mare | 1,120.85 mi (1,803.84 km) |
| Chepstow to Santana | 1,149.05 mi (1,849.22 km) |
| Chepstow to Satu Mare | 1,166.20 mi (1,876.82 km) |
| Chepstow to Scobinti | 1,350.50 mi (2,173.43 km) |
| Chepstow to Scornicesti | 1,338.11 mi (2,153.47 km) |
| Chepstow to Sebes | 1,249.33 mi (2,010.60 km) |
| Chepstow to Seini | 1,184.26 mi (1,905.88 km) |
| Chepstow to Sfantu-Gheorghe | 1,346.81 mi (2,167.48 km) |
| Chepstow to Sibiu | 1,279.47 mi (2,059.11 km) |
| Chepstow to Sighetu Marmatiei | 1,205.49 mi (1,940.05 km) |
| Chepstow to Sighisoara | 1,293.15 mi (2,081.12 km) |
| Chepstow to Simeria | 1,229.15 mi (1,978.13 km) |
| Chepstow to Sinaia | 1,353.55 mi (2,178.33 km) |
