| Huntsville to Rivalta di Torino | 4,757.90 mi (7,657.09 km) |
| Huntsville to Rivarolo Canavese | 4,756.61 mi (7,655.03 km) |
| Huntsville to Rivoli | 4,756.69 mi (7,655.15 km) |
| Huntsville to Rocca di Papa | 5,097.12 mi (8,203.02 km) |
| Huntsville to Rocca Priora | 5,098.68 mi (8,205.54 km) |
| Huntsville to Roccapiemonte | 5,221.03 mi (8,402.43 km) |
| Huntsville to Roccastrada | 4,984.74 mi (8,022.16 km) |
| Huntsville to Romano di Lombardia | 4,836.58 mi (7,783.73 km) |
| Huntsville to Rome | 5,082.27 mi (8,179.13 km) |
| Huntsville to Roncade | 4,942.44 mi (7,954.08 km) |
| Huntsville to Ronchi dei Legionari | 4,981.15 mi (8,016.39 km) |
| Huntsville to Ronciglione | 5,056.09 mi (8,136.99 km) |
| Huntsville to Rosa | 4,913.90 mi (7,908.17 km) |
| Huntsville to Rosarno | 5,366.11 mi (8,635.92 km) |
| Huntsville to Rosignano Marittimo | 4,940.57 mi (7,951.08 km) |
