| Southend to Sangeorgiu de Mures | 1,124.07 mi (1,809.01 km) |
| Southend to Sangeorz-Bai | 1,108.96 mi (1,784.70 km) |
| Southend to Sannicolau Mare | 977.83 mi (1,573.67 km) |
| Southend to Santana | 1,005.18 mi (1,617.68 km) |
| Southend to Satu Mare | 1,020.88 mi (1,642.95 km) |
| Southend to Scobinti | 1,205.09 mi (1,939.41 km) |
| Southend to Scornicesti | 1,194.90 mi (1,923.01 km) |
| Southend to Sebes | 1,105.05 mi (1,778.41 km) |
| Southend to Seini | 1,038.92 mi (1,671.97 km) |
| Southend to Sfantu-Gheorghe | 1,201.96 mi (1,934.37 km) |
| Southend to Sibiu | 1,135.14 mi (1,826.84 km) |
| Southend to Sighetu Marmatiei | 1,060.08 mi (1,706.04 km) |
| Southend to Sighisoara | 1,148.30 mi (1,848.02 km) |
| Southend to Simeria | 1,085.20 mi (1,746.47 km) |
| Southend to Sinaia | 1,209.14 mi (1,945.92 km) |
