| Macerata Campania to Oria | 180.42 mi (290.35 km) |
| Macerata Campania to Oristano | 308.76 mi (496.90 km) |
| Macerata Campania to Orta Nova | 77.29 mi (124.39 km) |
| Macerata Campania to Orte | 136.61 mi (219.86 km) |
| Macerata Campania to Ortona | 88.93 mi (143.12 km) |
| Macerata Campania to Orvieto | 159.12 mi (256.08 km) |
| Macerata Campania to Orzinuovi | 370.32 mi (595.96 km) |
| Macerata Campania to Osimo | 171.70 mi (276.33 km) |
| Macerata Campania to Ospitaletto | 374.88 mi (603.31 km) |
| Macerata Campania to Ostuni | 174.72 mi (281.19 km) |
| Macerata Campania to Ottaviano | 18.58 mi (29.90 km) |
| Macerata Campania to Ovada | 376.63 mi (606.12 km) |
| Macerata Campania to Ozieri | 277.15 mi (446.03 km) |
| Macerata Campania to Paceco | 231.84 mi (373.12 km) |
| Macerata Campania to Pachino | 303.87 mi (489.04 km) |
