| Poplar Bluff to Selargius | 5,113.34 mi (8,229.12 km) |
| Poplar Bluff to Selvazzano Dentro | 4,982.46 mi (8,018.50 km) |
| Poplar Bluff to Senago | 4,868.14 mi (7,834.52 km) |
| Poplar Bluff to Senigallia | 5,106.77 mi (8,218.56 km) |
| Poplar Bluff to Seravezza | 4,973.58 mi (8,004.20 km) |
| Poplar Bluff to Seregno | 4,868.33 mi (7,834.82 km) |
| Poplar Bluff to Seriate | 4,887.94 mi (7,866.37 km) |
| Poplar Bluff to Sermoneta | 5,185.08 mi (8,344.58 km) |
| Poplar Bluff to Serramanna | 5,096.19 mi (8,201.53 km) |
| Poplar Bluff to Serravalle Pistoiese | 5,002.13 mi (8,050.15 km) |
| Poplar Bluff to Sessa Aurunca | 5,237.68 mi (8,429.23 km) |
| Poplar Bluff to Sesto Calende | 4,842.24 mi (7,792.83 km) |
| Poplar Bluff to Sesto Fiorentino | 5,019.78 mi (8,078.56 km) |
| Poplar Bluff to Sesto San Giovanni | 4,874.08 mi (7,844.07 km) |
| Poplar Bluff to Sestri Levante | 4,928.46 mi (7,931.60 km) |
