| Cazzago San Martino to Oberkirch | 223.48 mi (359.65 km) |
| Cazzago San Martino to Obernburg am Main | 297.07 mi (478.09 km) |
| Cazzago San Martino to Obernkirchen | 463.69 mi (746.24 km) |
| Cazzago San Martino to Oberschleissheim | 198.18 mi (318.93 km) |
| Cazzago San Martino to Oberstdorf | 126.88 mi (204.19 km) |
| Cazzago San Martino to Obertraubling | 254.43 mi (409.46 km) |
| Cazzago San Martino to Obertshausen | 314.77 mi (506.57 km) |
| Cazzago San Martino to Oberursel | 326.28 mi (525.10 km) |
| Cazzago San Martino to Ochsenfurt | 281.10 mi (452.38 km) |
| Cazzago San Martino to Ochsenhausen | 172.12 mi (276.99 km) |
| Cazzago San Martino to Ochtrup | 475.35 mi (765.00 km) |
| Cazzago San Martino to Odenthal | 399.61 mi (643.11 km) |
| Cazzago San Martino to Oelde | 440.29 mi (708.58 km) |
| Cazzago San Martino to Oelsnitz | 348.38 mi (560.67 km) |
| Cazzago San Martino to Oer-Erkenschwick | 437.42 mi (703.96 km) |
