| Lansdale to Oberkirch | 3,948.45 mi (6,354.41 km) |
| Lansdale to Obernburg am Main | 3,952.84 mi (6,361.48 km) |
| Lansdale to Obernkirchen | 3,882.06 mi (6,247.56 km) |
| Lansdale to Oberschleissheim | 4,100.14 mi (6,598.53 km) |
| Lansdale to Oberstdorf | 4,073.95 mi (6,556.40 km) |
| Lansdale to Obertraubling | 4,101.52 mi (6,600.75 km) |
| Lansdale to Obertshausen | 3,933.78 mi (6,330.80 km) |
| Lansdale to Oberursel | 3,919.50 mi (6,307.83 km) |
| Lansdale to Ochsenfurt | 3,995.76 mi (6,430.55 km) |
| Lansdale to Ochsenhausen | 4,039.42 mi (6,500.81 km) |
| Lansdale to Ochtrup | 3,808.81 mi (6,129.69 km) |
| Lansdale to Odenthal | 3,837.65 mi (6,176.10 km) |
| Lansdale to Oelde | 3,856.44 mi (6,206.35 km) |
| Lansdale to Oelsnitz | 4,055.68 mi (6,526.99 km) |
| Lansdale to Oer-Erkenschwick | 3,826.35 mi (6,157.91 km) |
