| Niel to Sangeorz-Bai | 950.13 mi (1,529.08 km) |
| Niel to Sannicolau Mare | 819.49 mi (1,318.84 km) |
| Niel to Santana | 846.26 mi (1,361.93 km) |
| Niel to Satu Mare | 861.98 mi (1,387.22 km) |
| Niel to Scobinti | 1,046.85 mi (1,684.73 km) |
| Niel to Scornicesti | 1,036.36 mi (1,667.86 km) |
| Niel to Sebes | 945.93 mi (1,522.33 km) |
| Niel to Seini | 880.07 mi (1,416.33 km) |
| Niel to Sfantu-Gheorghe | 1,042.73 mi (1,678.11 km) |
| Niel to Sibiu | 976.00 mi (1,570.73 km) |
| Niel to Sighetu Marmatiei | 901.53 mi (1,450.88 km) |
| Niel to Sighisoara | 989.07 mi (1,591.75 km) |
| Niel to Simeria | 926.24 mi (1,490.63 km) |
| Niel to Sinaia | 1,049.97 mi (1,689.76 km) |
| Niel to Slatina | 1,034.04 mi (1,664.12 km) |
