| Douglas to Rivarolo Canavese | 862.70 mi (1,388.38 km) |
| Douglas to Rivoli | 866.17 mi (1,393.97 km) |
| Douglas to Rocca di Papa | 1,212.66 mi (1,951.58 km) |
| Douglas to Rocca Priora | 1,213.79 mi (1,953.41 km) |
| Douglas to Roccapiemonte | 1,335.21 mi (2,148.82 km) |
| Douglas to Roccastrada | 1,096.56 mi (1,764.74 km) |
| Douglas to Romano di Lombardia | 934.99 mi (1,504.72 km) |
| Douglas to Rome | 1,197.87 mi (1,927.79 km) |
| Douglas to Roncade | 1,037.09 mi (1,669.04 km) |
| Douglas to Ronchi dei Legionari | 1,075.80 mi (1,731.34 km) |
| Douglas to Ronciglione | 1,169.35 mi (1,881.88 km) |
| Douglas to Rosa | 1,008.78 mi (1,623.48 km) |
| Douglas to Rosarno | 1,494.37 mi (2,404.96 km) |
| Douglas to Rosignano Marittimo | 1,052.18 mi (1,693.32 km) |
| Douglas to Rosolini | 1,542.38 mi (2,482.23 km) |
