| Poplar Bluff to Redondela | 4,203.67 mi (6,765.16 km) |
| Poplar Bluff to Reinosa | 4,387.18 mi (7,060.48 km) |
| Poplar Bluff to Requena | 4,640.93 mi (7,468.86 km) |
| Poplar Bluff to Reus | 4,684.47 mi (7,538.93 km) |
| Poplar Bluff to Rianxo | 4,183.85 mi (6,733.25 km) |
| Poplar Bluff to Ribadeo | 4,239.75 mi (6,823.21 km) |
| Poplar Bluff to Rincon de la Victoria | 4,584.27 mi (7,377.68 km) |
| Poplar Bluff to Ripoll | 4,696.33 mi (7,558.01 km) |
| Poplar Bluff to Ripollet | 4,719.51 mi (7,595.31 km) |
| Poplar Bluff to Rojales | 4,706.82 mi (7,574.90 km) |
| Poplar Bluff to Ronda | 4,540.92 mi (7,307.90 km) |
| Poplar Bluff to Roquetas de Mar | 4,662.99 mi (7,504.36 km) |
| Poplar Bluff to Rosas | 4,737.52 mi (7,624.31 km) |
| Poplar Bluff to Rubi | 4,714.06 mi (7,586.55 km) |
| Poplar Bluff to Rute | 4,560.09 mi (7,338.75 km) |
