| Suwalki to Sangeorz-Bai | 471.15 mi (758.24 km) |
| Suwalki to Sannicolau Mare | 564.52 mi (908.51 km) |
| Suwalki to Santana | 539.08 mi (867.56 km) |
| Suwalki to Satu Mare | 435.91 mi (701.52 km) |
| Suwalki to Scobinti | 495.74 mi (797.82 km) |
| Suwalki to Scornicesti | 662.37 mi (1,065.98 km) |
| Suwalki to Sebes | 563.06 mi (906.15 km) |
| Suwalki to Seini | 439.09 mi (706.65 km) |
| Suwalki to Sfantu-Gheorghe | 582.88 mi (938.06 km) |
| Suwalki to Sibiu | 576.44 mi (927.70 km) |
| Suwalki to Sighetu Marmatiei | 428.37 mi (689.39 km) |
| Suwalki to Sighisoara | 550.75 mi (886.34 km) |
| Suwalki to Simeria | 569.96 mi (917.25 km) |
| Suwalki to Sinaia | 615.62 mi (990.75 km) |
| Suwalki to Slatina | 671.17 mi (1,080.14 km) |
