| Niksic to Sangeorz-Bai | 422.66 mi (680.20 km) |
| Niksic to Sannicolau Mare | 241.38 mi (388.46 km) |
| Niksic to Santana | 276.86 mi (445.57 km) |
| Niksic to Satu Mare | 395.62 mi (636.69 km) |
| Niksic to Scobinti | 502.50 mi (808.69 km) |
| Niksic to Scornicesti | 305.94 mi (492.36 km) |
| Niksic to Sebes | 316.78 mi (509.80 km) |
| Niksic to Seini | 402.80 mi (648.24 km) |
| Niksic to Sfantu-Gheorghe | 399.40 mi (642.78 km) |
| Niksic to Sibiu | 330.93 mi (532.58 km) |
| Niksic to Sighetu Marmatiei | 429.03 mi (690.46 km) |
| Niksic to Sighisoara | 373.09 mi (600.43 km) |
| Niksic to Simeria | 292.06 mi (470.03 km) |
| Niksic to Sinaia | 372.66 mi (599.74 km) |
| Niksic to Slatina | 293.87 mi (472.94 km) |
