| Grudziadz to Sangeorz-Bai | 496.27 mi (798.67 km) |
| Grudziadz to Sannicolau Mare | 519.55 mi (836.13 km) |
| Grudziadz to Santana | 507.95 mi (817.46 km) |
| Grudziadz to Satu Mare | 433.18 mi (697.13 km) |
| Grudziadz to Scobinti | 553.74 mi (891.16 km) |
| Grudziadz to Scornicesti | 669.20 mi (1,076.97 km) |
| Grudziadz to Sebes | 562.49 mi (905.25 km) |
| Grudziadz to Seini | 443.31 mi (713.44 km) |
| Grudziadz to Sfantu-Gheorghe | 612.80 mi (986.20 km) |
| Grudziadz to Sibiu | 583.51 mi (939.08 km) |
| Grudziadz to Sighetu Marmatiei | 444.76 mi (715.77 km) |
| Grudziadz to Sighisoara | 569.31 mi (916.22 km) |
| Grudziadz to Simeria | 560.70 mi (902.36 km) |
| Grudziadz to Sinaia | 639.20 mi (1,028.69 km) |
| Grudziadz to Slatina | 675.07 mi (1,086.43 km) |
