| Runcorn to Sangeorgiu de Mures | 1,287.52 mi (2,072.06 km) |
| Runcorn to Sangeorz-Bai | 1,267.66 mi (2,040.11 km) |
| Runcorn to Sannicolau Mare | 1,151.05 mi (1,852.44 km) |
| Runcorn to Santana | 1,175.35 mi (1,891.54 km) |
| Runcorn to Satu Mare | 1,180.59 mi (1,899.97 km) |
| Runcorn to Scobinti | 1,359.53 mi (2,187.96 km) |
| Runcorn to Scornicesti | 1,366.83 mi (2,199.70 km) |
| Runcorn to Sebes | 1,273.04 mi (2,048.77 km) |
| Runcorn to Seini | 1,198.11 mi (1,928.17 km) |
| Runcorn to Sfantu-Gheorghe | 1,366.21 mi (2,198.70 km) |
| Runcorn to Sibiu | 1,302.79 mi (2,096.63 km) |
| Runcorn to Sighetu Marmatiei | 1,217.03 mi (1,958.63 km) |
| Runcorn to Sighisoara | 1,312.77 mi (2,112.70 km) |
| Runcorn to Simeria | 1,254.76 mi (2,019.34 km) |
| Runcorn to Sinaia | 1,376.10 mi (2,214.61 km) |
