| Momchilgrad to Sangeorz-Bai | 404.90 mi (651.63 km) |
| Momchilgrad to Sannicolau Mare | 394.02 mi (634.11 km) |
| Momchilgrad to Santana | 385.53 mi (620.45 km) |
| Momchilgrad to Satu Mare | 449.71 mi (723.73 km) |
| Momchilgrad to Scobinti | 411.03 mi (661.50 km) |
| Momchilgrad to Scornicesti | 214.33 mi (344.93 km) |
| Momchilgrad to Sebes | 319.42 mi (514.05 km) |
| Momchilgrad to Seini | 441.93 mi (711.22 km) |
| Momchilgrad to Sfantu-Gheorghe | 299.77 mi (482.43 km) |
| Momchilgrad to Sibiu | 301.00 mi (484.42 km) |
| Momchilgrad to Sighetu Marmatiei | 448.14 mi (721.20 km) |
| Momchilgrad to Sighisoara | 325.10 mi (523.20 km) |
| Momchilgrad to Simeria | 321.54 mi (517.46 km) |
| Momchilgrad to Sinaia | 263.79 mi (424.54 km) |
| Momchilgrad to Slatina | 207.07 mi (333.24 km) |
