| Mlada Boleslav to Sangeorz-Bai | 490.82 mi (789.90 km) |
| Mlada Boleslav to Sannicolau Mare | 398.87 mi (641.92 km) |
| Mlada Boleslav to Santana | 412.50 mi (663.85 km) |
| Mlada Boleslav to Satu Mare | 403.85 mi (649.94 km) |
| Mlada Boleslav to Scobinti | 584.27 mi (940.29 km) |
| Mlada Boleslav to Scornicesti | 603.89 mi (971.86 km) |
| Mlada Boleslav to Sebes | 503.43 mi (810.19 km) |
| Mlada Boleslav to Seini | 421.29 mi (677.99 km) |
| Mlada Boleslav to Sfantu-Gheorghe | 591.22 mi (951.48 km) |
| Mlada Boleslav to Sibiu | 532.22 mi (856.52 km) |
| Mlada Boleslav to Sighetu Marmatiei | 440.44 mi (708.82 km) |
| Mlada Boleslav to Sighisoara | 538.23 mi (866.19 km) |
| Mlada Boleslav to Simeria | 488.48 mi (786.13 km) |
| Mlada Boleslav to Sinaia | 603.85 mi (971.81 km) |
| Mlada Boleslav to Slatina | 604.48 mi (972.82 km) |
