| Rionero in Vulture to Orbetello | 252.75 mi (406.76 km) |
| Rionero in Vulture to Oria | 106.95 mi (172.11 km) |
| Rionero in Vulture to Oristano | 378.59 mi (609.29 km) |
| Rionero in Vulture to Orta Nova | 28.71 mi (46.20 km) |
| Rionero in Vulture to Orte | 200.04 mi (321.94 km) |
| Rionero in Vulture to Ortona | 118.68 mi (191.00 km) |
| Rionero in Vulture to Orvieto | 221.40 mi (356.31 km) |
| Rionero in Vulture to Orzinuovi | 423.40 mi (681.40 km) |
| Rionero in Vulture to Osimo | 209.59 mi (337.31 km) |
| Rionero in Vulture to Ospitaletto | 426.38 mi (686.20 km) |
| Rionero in Vulture to Ostuni | 101.00 mi (162.55 km) |
| Rionero in Vulture to Ottaviano | 62.29 mi (100.25 km) |
| Rionero in Vulture to Ovada | 438.95 mi (706.42 km) |
| Rionero in Vulture to Ozieri | 349.44 mi (562.37 km) |
| Rionero in Vulture to Paceco | 262.12 mi (421.84 km) |
