| Palombara Sabina to Orbetello | 83.55 mi (134.46 km) |
| Palombara Sabina to Oria | 274.83 mi (442.30 km) |
| Palombara Sabina to Oristano | 263.97 mi (424.83 km) |
| Palombara Sabina to Orta Nova | 160.19 mi (257.79 km) |
| Palombara Sabina to Orte | 33.44 mi (53.82 km) |
| Palombara Sabina to Ortona | 85.85 mi (138.16 km) |
| Palombara Sabina to Orvieto | 56.11 mi (90.31 km) |
| Palombara Sabina to Orzinuovi | 270.24 mi (434.91 km) |
| Palombara Sabina to Osimo | 104.41 mi (168.03 km) |
| Palombara Sabina to Ospitaletto | 275.88 mi (443.99 km) |
| Palombara Sabina to Ostuni | 266.04 mi (428.16 km) |
| Palombara Sabina to Ottaviano | 122.12 mi (196.53 km) |
| Palombara Sabina to Ovada | 272.78 mi (439.00 km) |
| Palombara Sabina to Ozieri | 220.45 mi (354.79 km) |
| Palombara Sabina to Paceco | 282.37 mi (454.43 km) |
