| Twickenham to Sangeorgiu de Mures | 1,167.74 mi (1,879.29 km) |
| Twickenham to Sangeorz-Bai | 1,153.22 mi (1,855.93 km) |
| Twickenham to Sannicolau Mare | 1,019.82 mi (1,641.25 km) |
| Twickenham to Santana | 1,047.81 mi (1,686.28 km) |
| Twickenham to Satu Mare | 1,065.08 mi (1,714.08 km) |
| Twickenham to Scobinti | 1,249.73 mi (2,011.24 km) |
| Twickenham to Scornicesti | 1,237.03 mi (1,990.81 km) |
| Twickenham to Sebes | 1,148.02 mi (1,847.56 km) |
| Twickenham to Seini | 1,083.16 mi (1,743.18 km) |
| Twickenham to Sfantu-Gheorghe | 1,245.48 mi (2,004.40 km) |
| Twickenham to Sibiu | 1,178.15 mi (1,896.05 km) |
| Twickenham to Sighetu Marmatiei | 1,104.55 mi (1,777.60 km) |
| Twickenham to Sighisoara | 1,191.82 mi (1,918.04 km) |
| Twickenham to Simeria | 1,127.90 mi (1,815.17 km) |
| Twickenham to Sinaia | 1,252.23 mi (2,015.26 km) |
