| Towcester to Sangeorgiu de Mures | 1,201.79 mi (1,934.10 km) |
| Towcester to Sangeorz-Bai | 1,185.19 mi (1,907.38 km) |
| Towcester to Sannicolau Mare | 1,058.26 mi (1,703.10 km) |
| Towcester to Santana | 1,084.79 mi (1,745.80 km) |
| Towcester to Satu Mare | 1,097.35 mi (1,766.01 km) |
| Towcester to Scobinti | 1,280.03 mi (2,060.01 km) |
| Towcester to Scornicesti | 1,275.09 mi (2,052.06 km) |
| Towcester to Sebes | 1,184.11 mi (1,905.64 km) |
| Towcester to Seini | 1,115.24 mi (1,794.80 km) |
| Towcester to Sfantu-Gheorghe | 1,279.98 mi (2,059.92 km) |
| Towcester to Sibiu | 1,214.12 mi (1,953.93 km) |
| Towcester to Sighetu Marmatiei | 1,135.71 mi (1,827.74 km) |
| Towcester to Sighisoara | 1,226.35 mi (1,973.62 km) |
| Towcester to Simeria | 1,164.69 mi (1,874.39 km) |
| Towcester to Sinaia | 1,287.96 mi (2,072.77 km) |
