| Macerata to Oberkirch | 444.00 mi (714.55 km) |
| Macerata to Obernburg am Main | 495.89 mi (798.06 km) |
| Macerata to Obernkirchen | 651.07 mi (1,047.80 km) |
| Macerata to Oberschleissheim | 353.84 mi (569.45 km) |
| Macerata to Oberstdorf | 322.99 mi (519.80 km) |
| Macerata to Obertraubling | 396.25 mi (637.70 km) |
| Macerata to Obertshausen | 516.01 mi (830.44 km) |
| Macerata to Oberursel | 529.60 mi (852.30 km) |
| Macerata to Ochsenfurt | 467.25 mi (751.97 km) |
| Macerata to Ochsenhausen | 370.48 mi (596.23 km) |
| Macerata to Ochtrup | 680.00 mi (1,094.35 km) |
| Macerata to Odenthal | 611.08 mi (983.44 km) |
| Macerata to Oelde | 638.89 mi (1,028.19 km) |
| Macerata to Oelsnitz | 495.42 mi (797.30 km) |
| Macerata to Oer-Erkenschwick | 644.51 mi (1,037.24 km) |
