| Potters Bar to Sangeorgiu de Mures | 1,163.45 mi (1,872.39 km) |
| Potters Bar to Sangeorz-Bai | 1,148.06 mi (1,847.63 km) |
| Potters Bar to Sannicolau Mare | 1,017.48 mi (1,637.47 km) |
| Potters Bar to Santana | 1,044.79 mi (1,681.42 km) |
| Potters Bar to Satu Mare | 1,060.02 mi (1,705.95 km) |
| Potters Bar to Scobinti | 1,243.92 mi (2,001.90 km) |
| Potters Bar to Scornicesti | 1,234.54 mi (1,986.80 km) |
| Potters Bar to Sebes | 1,144.61 mi (1,842.07 km) |
| Potters Bar to Seini | 1,078.03 mi (1,734.93 km) |
| Potters Bar to Sfantu-Gheorghe | 1,241.39 mi (1,997.82 km) |
| Potters Bar to Sibiu | 1,174.69 mi (1,890.49 km) |
| Potters Bar to Sighetu Marmatiei | 1,099.05 mi (1,768.76 km) |
| Potters Bar to Sighisoara | 1,187.73 mi (1,911.47 km) |
| Potters Bar to Simeria | 1,124.80 mi (1,810.20 km) |
| Potters Bar to Sinaia | 1,248.67 mi (2,009.55 km) |
