| Ovada to Rivarolo Canavese | 65.94 mi (106.12 km) |
| Ovada to Rivoli | 62.78 mi (101.03 km) |
| Ovada to Rocca di Papa | 285.26 mi (459.08 km) |
| Ovada to Rocca Priora | 286.26 mi (460.70 km) |
| Ovada to Roccapiemonte | 407.29 mi (655.47 km) |
| Ovada to Roccastrada | 168.74 mi (271.57 km) |
| Ovada to Romano di Lombardia | 81.09 mi (130.49 km) |
| Ovada to Rome | 270.60 mi (435.49 km) |
| Ovada to Roncade | 194.13 mi (312.42 km) |
| Ovada to Ronchi dei Legionari | 250.10 mi (402.49 km) |
| Ovada to Ronciglione | 241.58 mi (388.78 km) |
| Ovada to Rosa | 169.21 mi (272.32 km) |
| Ovada to Rosarno | 569.20 mi (916.04 km) |
| Ovada to Rosignano Marittimo | 124.54 mi (200.42 km) |
| Ovada to Rosolini | 632.82 mi (1,018.43 km) |
