| Mascalucia to Oberkirch | 834.52 mi (1,343.03 km) |
| Mascalucia to Obernburg am Main | 897.18 mi (1,443.87 km) |
| Mascalucia to Obernkirchen | 1,055.42 mi (1,698.53 km) |
| Mascalucia to Oberschleissheim | 758.69 mi (1,220.99 km) |
| Mascalucia to Oberstdorf | 721.85 mi (1,161.71 km) |
| Mascalucia to Obertraubling | 800.69 mi (1,288.58 km) |
| Mascalucia to Obertshausen | 916.79 mi (1,475.42 km) |
| Mascalucia to Oberursel | 929.82 mi (1,496.40 km) |
| Mascalucia to Ochsenfurt | 870.80 mi (1,401.42 km) |
| Mascalucia to Ochsenhausen | 770.09 mi (1,239.34 km) |
| Mascalucia to Ochtrup | 1,080.62 mi (1,739.09 km) |
| Mascalucia to Odenthal | 1,008.35 mi (1,622.79 km) |
| Mascalucia to Oelde | 1,041.19 mi (1,675.63 km) |
| Mascalucia to Oelsnitz | 899.16 mi (1,447.06 km) |
| Mascalucia to Oer-Erkenschwick | 1,044.02 mi (1,680.18 km) |
