| Poplar Bluff to Sabadell | 4,715.48 mi (7,588.83 km) |
| Poplar Bluff to Sabinanigo | 4,572.08 mi (7,358.06 km) |
| Poplar Bluff to Sagunto | 4,672.68 mi (7,519.95 km) |
| Poplar Bluff to Salamanca | 4,380.60 mi (7,049.89 km) |
| Poplar Bluff to Salobrena | 4,616.86 mi (7,430.12 km) |
| Poplar Bluff to Salou | 4,688.11 mi (7,544.79 km) |
| Poplar Bluff to Salt | 4,730.63 mi (7,613.21 km) |
| Poplar Bluff to Salvatierra de Mino | 4,214.90 mi (6,783.23 km) |
| Poplar Bluff to Sama | 4,308.20 mi (6,933.38 km) |
| Poplar Bluff to San Adrian de Besos | 4,724.55 mi (7,603.43 km) |
| Poplar Bluff to San Agustin de Guadalix | 4,484.84 mi (7,217.65 km) |
| Poplar Bluff to San Andres de la Barca | 4,713.18 mi (7,585.12 km) |
| Poplar Bluff to San Andres de Llevaneras | 4,731.30 mi (7,614.30 km) |
| Poplar Bluff to San Andres del Rabanedo | 4,332.65 mi (6,972.72 km) |
| Poplar Bluff to San Bartolome | 4,302.05 mi (6,923.48 km) |
