| Drogheda to Rivarolo Canavese | 853.79 mi (1,374.05 km) |
| Drogheda to Rivoli | 860.83 mi (1,385.37 km) |
| Drogheda to Rocca di Papa | 1,203.91 mi (1,937.51 km) |
| Drogheda to Rocca Priora | 1,204.70 mi (1,938.78 km) |
| Drogheda to Roccapiemonte | 1,323.27 mi (2,129.60 km) |
| Drogheda to Roccastrada | 1,087.28 mi (1,749.81 km) |
| Drogheda to Romano di Lombardia | 913.20 mi (1,469.65 km) |
| Drogheda to Rome | 1,189.47 mi (1,914.26 km) |
| Drogheda to Roncade | 1,002.11 mi (1,612.75 km) |
| Drogheda to Ronchi dei Legionari | 1,034.53 mi (1,664.91 km) |
| Drogheda to Ronciglione | 1,159.72 mi (1,866.38 km) |
| Drogheda to Rosa | 975.67 mi (1,570.19 km) |
| Drogheda to Rosarno | 1,488.57 mi (2,395.62 km) |
| Drogheda to Rosignano Marittimo | 1,043.74 mi (1,679.73 km) |
| Drogheda to Rosolini | 1,548.67 mi (2,492.34 km) |
