| Irthlingborough to Sangeorgiu de Mures | 1,188.20 mi (1,912.22 km) |
| Irthlingborough to Sangeorz-Bai | 1,170.87 mi (1,884.33 km) |
| Irthlingborough to Sannicolau Mare | 1,046.46 mi (1,684.11 km) |
| Irthlingborough to Santana | 1,072.37 mi (1,725.81 km) |
| Irthlingborough to Satu Mare | 1,083.16 mi (1,743.18 km) |
| Irthlingborough to Scobinti | 1,265.14 mi (2,036.04 km) |
| Irthlingborough to Scornicesti | 1,263.05 mi (2,032.67 km) |
| Irthlingborough to Sebes | 1,171.29 mi (1,885.00 km) |
| Irthlingborough to Seini | 1,100.98 mi (1,771.85 km) |
| Irthlingborough to Sfantu-Gheorghe | 1,266.52 mi (2,038.26 km) |
| Irthlingborough to Sibiu | 1,201.24 mi (1,933.20 km) |
| Irthlingborough to Sighetu Marmatiei | 1,121.13 mi (1,804.28 km) |
| Irthlingborough to Sighisoara | 1,212.92 mi (1,952.01 km) |
| Irthlingborough to Simeria | 1,152.16 mi (1,854.23 km) |
| Irthlingborough to Sinaia | 1,274.96 mi (2,051.85 km) |
