| Poplar Bluff to Radauti | 5,400.38 mi (8,691.07 km) |
| Poplar Bluff to Ramnicu Sarat | 5,556.54 mi (8,942.39 km) |
| Poplar Bluff to Ramnicu Valcea | 5,474.11 mi (8,809.72 km) |
| Poplar Bluff to Rasnov | 5,490.09 mi (8,835.44 km) |
| Poplar Bluff to Reghin | 5,408.35 mi (8,703.90 km) |
| Poplar Bluff to Resita | 5,374.42 mi (8,649.30 km) |
| Poplar Bluff to Roman | 5,478.01 mi (8,816.00 km) |
| Poplar Bluff to Rosiori de Vede | 5,542.90 mi (8,920.44 km) |
| Poplar Bluff to Rovinari | 5,438.84 mi (8,752.96 km) |
| Poplar Bluff to Roznov | 5,468.16 mi (8,800.15 km) |
| Poplar Bluff to Sabaoani | 5,471.14 mi (8,804.96 km) |
| Poplar Bluff to Sacele | 5,497.66 mi (8,847.63 km) |
| Poplar Bluff to Sacueni | 5,289.56 mi (8,512.72 km) |
| Poplar Bluff to Salcea | 5,424.77 mi (8,730.32 km) |
| Poplar Bluff to Salonta | 5,298.45 mi (8,527.04 km) |
