| Poplar Bluff to Sangeorgiu de Mures | 5,410.33 mi (8,707.08 km) |
| Poplar Bluff to Sangeorz-Bai | 5,379.82 mi (8,657.98 km) |
| Poplar Bluff to Sannicolau Mare | 5,293.34 mi (8,518.80 km) |
| Poplar Bluff to Santana | 5,313.11 mi (8,550.63 km) |
| Poplar Bluff to Satu Mare | 5,298.10 mi (8,526.46 km) |
| Poplar Bluff to Scobinti | 5,456.53 mi (8,781.44 km) |
| Poplar Bluff to Scornicesti | 5,505.30 mi (8,859.93 km) |
| Poplar Bluff to Sebes | 5,405.61 mi (8,699.49 km) |
| Poplar Bluff to Seini | 5,313.86 mi (8,551.84 km) |
| Poplar Bluff to Sfantu-Gheorghe | 5,488.92 mi (8,833.57 km) |
| Poplar Bluff to Sibiu | 5,434.18 mi (8,745.46 km) |
| Poplar Bluff to Sighetu Marmatiei | 5,326.77 mi (8,572.60 km) |
| Poplar Bluff to Sighisoara | 5,437.24 mi (8,750.39 km) |
| Poplar Bluff to Simeria | 5,390.46 mi (8,675.11 km) |
| Poplar Bluff to Sinaia | 5,504.76 mi (8,859.06 km) |
