| Poplar Bluff to San Lorenzo de Descardazar | 4,837.62 mi (7,785.40 km) |
| Poplar Bluff to San Lorenzo de El Escorial | 4,463.10 mi (7,182.66 km) |
| Poplar Bluff to San Martin de la Vega | 4,502.06 mi (7,245.37 km) |
| Poplar Bluff to San Martin de Valdeiglesias | 4,458.47 mi (7,175.21 km) |
| Poplar Bluff to San Pedro de Ribas | 4,710.66 mi (7,581.07 km) |
| Poplar Bluff to San Roque | 4,547.85 mi (7,319.06 km) |
| Poplar Bluff to San Sebastian de la Gomera | 4,214.37 mi (6,782.38 km) |
| Poplar Bluff to San Sebastian de los Reyes | 4,488.59 mi (7,223.69 km) |
| Poplar Bluff to San Vicente de Baracaldo | 4,429.44 mi (7,128.49 km) |
| Poplar Bluff to San Vicente de Castellet | 4,700.53 mi (7,564.78 km) |
| Poplar Bluff to San Vicente del Raspeig | 4,705.38 mi (7,572.58 km) |
| Poplar Bluff to San Vicente dels Horts | 4,716.55 mi (7,590.56 km) |
| Poplar Bluff to Sangenjo | 4,191.44 mi (6,745.47 km) |
| Poplar Bluff to Sanlucar de Barrameda | 4,482.33 mi (7,213.61 km) |
| Poplar Bluff to Sanlucar la Mayor | 4,469.46 mi (7,192.89 km) |
