| Widnes to Sangeorgiu de Mures | 1,287.56 mi (2,072.12 km) |
| Widnes to Sangeorz-Bai | 1,267.64 mi (2,040.06 km) |
| Widnes to Sannicolau Mare | 1,151.24 mi (1,852.75 km) |
| Widnes to Santana | 1,175.49 mi (1,891.77 km) |
| Widnes to Satu Mare | 1,180.58 mi (1,899.95 km) |
| Widnes to Scobinti | 1,359.44 mi (2,187.81 km) |
| Widnes to Scornicesti | 1,366.99 mi (2,199.96 km) |
| Widnes to Sebes | 1,273.15 mi (2,048.93 km) |
| Widnes to Seini | 1,198.09 mi (1,928.14 km) |
| Widnes to Sfantu-Gheorghe | 1,366.25 mi (2,198.76 km) |
| Widnes to Sibiu | 1,302.88 mi (2,096.79 km) |
| Widnes to Sighetu Marmatiei | 1,216.99 mi (1,958.55 km) |
| Widnes to Sighisoara | 1,312.82 mi (2,112.78 km) |
| Widnes to Simeria | 1,254.89 mi (2,019.55 km) |
| Widnes to Sinaia | 1,376.18 mi (2,214.75 km) |
