| Poplar Bluff to Sentrupert | 5,088.52 mi (8,189.18 km) |
| Poplar Bluff to Sevnica | 5,095.47 mi (8,200.36 km) |
| Poplar Bluff to Sezana | 5,052.25 mi (8,130.80 km) |
| Poplar Bluff to Skocjan | 5,099.19 mi (8,206.35 km) |
| Poplar Bluff to Skofja Loka | 5,050.32 mi (8,127.71 km) |
| Poplar Bluff to Skofljica | 5,068.37 mi (8,156.75 km) |
| Poplar Bluff to Slovenj Gradec | 5,066.30 mi (8,153.42 km) |
| Poplar Bluff to Slovenska Bistrica | 5,090.17 mi (8,191.84 km) |
| Poplar Bluff to Slovenske Konjice | 5,086.50 mi (8,185.94 km) |
| Poplar Bluff to Smarje | 5,094.68 mi (8,199.10 km) |
| Poplar Bluff to Smarjeske Toplice | 5,098.32 mi (8,204.96 km) |
| Poplar Bluff to Smartno | 5,076.37 mi (8,169.63 km) |
| Poplar Bluff to Smartno | 5,071.86 mi (8,162.37 km) |
| Poplar Bluff to Sodrazica | 5,079.76 mi (8,175.08 km) |
| Poplar Bluff to Solcava | 5,055.06 mi (8,135.34 km) |
