| Douai to Rivarolo Canavese | 409.08 mi (658.35 km) |
| Douai to Rivoli | 420.22 mi (676.27 km) |
| Douai to Rocca di Papa | 751.60 mi (1,209.58 km) |
| Douai to Rocca Priora | 752.11 mi (1,210.41 km) |
| Douai to Roccapiemonte | 867.64 mi (1,396.34 km) |
| Douai to Roccastrada | 636.12 mi (1,023.74 km) |
| Douai to Romano di Lombardia | 455.50 mi (733.06 km) |
| Douai to Rome | 737.59 mi (1,187.04 km) |
| Douai to Roncade | 539.99 mi (869.03 km) |
| Douai to Ronchi dei Legionari | 573.19 mi (922.46 km) |
| Douai to Ronciglione | 707.24 mi (1,138.19 km) |
| Douai to Rosa | 513.67 mi (826.67 km) |
| Douai to Rosarno | 1,035.91 mi (1,667.14 km) |
| Douai to Rosignano Marittimo | 594.08 mi (956.08 km) |
| Douai to Rosolini | 1,105.97 mi (1,779.89 km) |
