| Concordia Sagittaria to Oria | 436.37 mi (702.28 km) |
| Concordia Sagittaria to Oristano | 458.67 mi (738.16 km) |
| Concordia Sagittaria to Orta Nova | 338.27 mi (544.40 km) |
| Concordia Sagittaria to Orte | 229.60 mi (369.51 km) |
| Concordia Sagittaria to Ortona | 248.29 mi (399.58 km) |
| Concordia Sagittaria to Orvieto | 213.78 mi (344.05 km) |
| Concordia Sagittaria to Orzinuovi | 143.29 mi (230.60 km) |
| Concordia Sagittaria to Osimo | 160.81 mi (258.80 km) |
| Concordia Sagittaria to Ospitaletto | 134.87 mi (217.05 km) |
| Concordia Sagittaria to Ostuni | 421.36 mi (678.11 km) |
| Concordia Sagittaria to Ottaviano | 349.41 mi (562.31 km) |
| Concordia Sagittaria to Ovada | 218.94 mi (352.34 km) |
| Concordia Sagittaria to Ozieri | 407.00 mi (655.01 km) |
| Concordia Sagittaria to Paceco | 538.00 mi (865.83 km) |
| Concordia Sagittaria to Pachino | 636.05 mi (1,023.63 km) |
