| Gloucester to Rivalta di Torino | 649.22 mi (1,044.82 km) |
| Gloucester to Rivarolo Canavese | 639.98 mi (1,029.94 km) |
| Gloucester to Rivoli | 647.31 mi (1,041.74 km) |
| Gloucester to Rocca di Papa | 989.94 mi (1,593.15 km) |
| Gloucester to Rocca Priora | 990.72 mi (1,594.41 km) |
| Gloucester to Roccapiemonte | 1,109.33 mi (1,785.29 km) |
| Gloucester to Roccastrada | 873.32 mi (1,405.47 km) |
| Gloucester to Romano di Lombardia | 699.66 mi (1,126.00 km) |
| Gloucester to Rome | 975.50 mi (1,569.92 km) |
| Gloucester to Roncade | 791.28 mi (1,273.44 km) |
| Gloucester to Ronchi dei Legionari | 825.78 mi (1,328.97 km) |
| Gloucester to Ronciglione | 945.74 mi (1,522.01 km) |
| Gloucester to Rosa | 764.28 mi (1,229.99 km) |
| Gloucester to Rosarno | 1,274.61 mi (2,051.29 km) |
| Gloucester to Rosignano Marittimo | 829.81 mi (1,335.45 km) |
