| Poplar Bluff to Rivalta di Torino | 4,822.55 mi (7,761.15 km) |
| Poplar Bluff to Rivarolo Canavese | 4,819.76 mi (7,756.66 km) |
| Poplar Bluff to Rivoli | 4,821.21 mi (7,758.98 km) |
| Poplar Bluff to Rocca di Papa | 5,165.14 mi (8,312.49 km) |
| Poplar Bluff to Rocca Priora | 5,166.55 mi (8,314.75 km) |
| Poplar Bluff to Roccapiemonte | 5,288.94 mi (8,511.73 km) |
| Poplar Bluff to Roccastrada | 5,050.95 mi (8,128.72 km) |
| Poplar Bluff to Romano di Lombardia | 4,895.62 mi (7,878.74 km) |
| Poplar Bluff to Rome | 5,150.26 mi (8,288.55 km) |
| Poplar Bluff to Roncade | 4,996.55 mi (8,041.18 km) |
| Poplar Bluff to Ronchi dei Legionari | 5,032.50 mi (8,099.03 km) |
| Poplar Bluff to Ronciglione | 5,123.11 mi (8,244.84 km) |
| Poplar Bluff to Rosa | 4,968.73 mi (7,996.39 km) |
| Poplar Bluff to Rosarno | 5,439.54 mi (8,754.10 km) |
| Poplar Bluff to Rosignano Marittimo | 5,006.55 mi (8,057.27 km) |
