| Boom to Sangeorz-Bai | 948.38 mi (1,526.27 km) |
| Boom to Sannicolau Mare | 817.37 mi (1,315.43 km) |
| Boom to Santana | 844.23 mi (1,358.66 km) |
| Boom to Satu Mare | 860.22 mi (1,384.39 km) |
| Boom to Scobinti | 1,045.19 mi (1,682.07 km) |
| Boom to Scornicesti | 1,034.27 mi (1,664.49 km) |
| Boom to Sebes | 943.95 mi (1,519.14 km) |
| Boom to Seini | 878.32 mi (1,413.51 km) |
| Boom to Sfantu-Gheorghe | 1,040.83 mi (1,675.06 km) |
| Boom to Sibiu | 974.03 mi (1,567.55 km) |
| Boom to Sighetu Marmatiei | 899.84 mi (1,448.15 km) |
| Boom to Sighisoara | 987.17 mi (1,588.70 km) |
| Boom to Simeria | 924.21 mi (1,487.38 km) |
| Boom to Sinaia | 1,048.01 mi (1,686.60 km) |
| Boom to Slatina | 1,031.92 mi (1,660.72 km) |
