| Poggio a Caiano to Oberkirch | 355.70 mi (572.45 km) |
| Poggio a Caiano to Obernburg am Main | 425.97 mi (685.53 km) |
| Poggio a Caiano to Obernkirchen | 590.66 mi (950.57 km) |
| Poggio a Caiano to Oberschleissheim | 307.25 mi (494.47 km) |
| Poggio a Caiano to Oberstdorf | 251.15 mi (404.19 km) |
| Poggio a Caiano to Obertraubling | 359.60 mi (578.72 km) |
| Poggio a Caiano to Obertshausen | 444.44 mi (715.26 km) |
| Poggio a Caiano to Oberursel | 456.53 mi (734.71 km) |
| Poggio a Caiano to Ochsenfurt | 405.80 mi (653.08 km) |
| Poggio a Caiano to Ochsenhausen | 298.89 mi (481.01 km) |
| Poggio a Caiano to Ochtrup | 606.45 mi (975.99 km) |
| Poggio a Caiano to Odenthal | 531.51 mi (855.38 km) |
| Poggio a Caiano to Oelde | 570.06 mi (917.42 km) |
| Poggio a Caiano to Oelsnitz | 458.92 mi (738.57 km) |
| Poggio a Caiano to Oer-Erkenschwick | 568.83 mi (915.44 km) |
