| Rovigo to Oerlinghausen | 496.70 mi (799.36 km) |
| Rovigo to Oestrich-Winkel | 383.06 mi (616.48 km) |
| Rovigo to Offenburg | 296.74 mi (477.55 km) |
| Rovigo to Oftersheim | 332.37 mi (534.90 km) |
| Rovigo to Ohrdruf | 400.11 mi (643.91 km) |
| Rovigo to Ohringen | 304.30 mi (489.72 km) |
| Rovigo to Olbernhau | 392.46 mi (631.60 km) |
| Rovigo to Olching | 216.69 mi (348.73 km) |
| Rovigo to Oldenburg | 579.96 mi (933.36 km) |
| Rovigo to Oldenburg in Holstein | 638.26 mi (1,027.18 km) |
| Rovigo to Olfen | 500.92 mi (806.15 km) |
| Rovigo to Olpe | 448.91 mi (722.45 km) |
| Rovigo to Olsberg | 459.06 mi (738.79 km) |
| Rovigo to Oranienburg | 534.19 mi (859.70 km) |
| Rovigo to Ortenberg | 385.98 mi (621.18 km) |
