| Biga to Sangeorgiu de Mures | 458.41 mi (737.74 km) |
| Biga to Sangeorz-Bai | 509.65 mi (820.21 km) |
| Biga to Sannicolau Mare | 523.31 mi (842.19 km) |
| Biga to Santana | 511.85 mi (823.75 km) |
| Biga to Satu Mare | 565.23 mi (909.66 km) |
| Biga to Scobinti | 494.62 mi (796.01 km) |
| Biga to Scornicesti | 329.90 mi (530.92 km) |
| Biga to Sebes | 437.11 mi (703.46 km) |
| Biga to Seini | 555.35 mi (893.76 km) |
| Biga to Sfantu-Gheorghe | 396.22 mi (637.66 km) |
| Biga to Sibiu | 414.89 mi (667.70 km) |
| Biga to Sighetu Marmatiei | 557.28 mi (896.86 km) |
| Biga to Sighisoara | 431.74 mi (694.81 km) |
| Biga to Simeria | 443.19 mi (713.25 km) |
| Biga to Sinaia | 364.10 mi (585.96 km) |
