| Collecchio to Oberkirch | 280.28 mi (451.06 km) |
| Collecchio to Obernburg am Main | 355.27 mi (571.75 km) |
| Collecchio to Obernkirchen | 521.75 mi (839.67 km) |
| Collecchio to Oberschleissheim | 250.19 mi (402.65 km) |
| Collecchio to Oberstdorf | 183.79 mi (295.78 km) |
| Collecchio to Obertraubling | 305.48 mi (491.62 km) |
| Collecchio to Obertshausen | 372.98 mi (600.26 km) |
| Collecchio to Oberursel | 384.46 mi (618.73 km) |
| Collecchio to Ochsenfurt | 338.63 mi (544.97 km) |
| Collecchio to Ochsenhausen | 229.90 mi (369.98 km) |
| Collecchio to Ochtrup | 533.33 mi (858.31 km) |
| Collecchio to Odenthal | 457.17 mi (735.74 km) |
| Collecchio to Oelde | 498.49 mi (802.24 km) |
| Collecchio to Oelsnitz | 401.90 mi (646.80 km) |
| Collecchio to Oer-Erkenschwick | 495.30 mi (797.11 km) |
