| Poplar Bluff to Santa Venerina | 5,437.68 mi (8,751.10 km) |
| Poplar Bluff to Santeramo in Colle | 5,372.93 mi (8,646.90 km) |
| Poplar Bluff to Santo Stefano di Magra | 4,954.21 mi (7,973.03 km) |
| Poplar Bluff to Santo Stino di Livenza | 5,004.38 mi (8,053.76 km) |
| Poplar Bluff to Sarezzo | 4,908.68 mi (7,899.75 km) |
| Poplar Bluff to Sarno | 5,283.45 mi (8,502.89 km) |
| Poplar Bluff to Saronno | 4,862.65 mi (7,825.68 km) |
| Poplar Bluff to Sarzana | 4,957.94 mi (7,979.04 km) |
| Poplar Bluff to Sassari | 5,029.57 mi (8,094.30 km) |
| Poplar Bluff to Sasso Marconi | 4,999.57 mi (8,046.02 km) |
| Poplar Bluff to Sassuolo | 4,974.75 mi (8,006.09 km) |
| Poplar Bluff to Sava | 5,422.95 mi (8,727.40 km) |
| Poplar Bluff to Saviano | 5,275.11 mi (8,489.47 km) |
| Poplar Bluff to Savigliano | 4,841.51 mi (7,791.66 km) |
| Poplar Bluff to Savignano sul Panaro | 4,987.50 mi (8,026.60 km) |
