| Lake Forest to Oberkirch | 5,848.56 mi (9,412.36 km) |
| Lake Forest to Obernburg am Main | 5,814.10 mi (9,356.88 km) |
| Lake Forest to Obernkirchen | 5,689.13 mi (9,155.77 km) |
| Lake Forest to Oberschleissheim | 5,969.08 mi (9,606.30 km) |
| Lake Forest to Oberstdorf | 5,974.18 mi (9,614.52 km) |
| Lake Forest to Obertraubling | 5,948.85 mi (9,573.75 km) |
| Lake Forest to Obertshausen | 5,793.29 mi (9,323.40 km) |
| Lake Forest to Oberursel | 5,778.66 mi (9,299.86 km) |
| Lake Forest to Ochsenfurt | 5,851.39 mi (9,416.90 km) |
| Lake Forest to Ochsenhausen | 5,929.62 mi (9,542.81 km) |
| Lake Forest to Ochtrup | 5,636.62 mi (9,071.26 km) |
| Lake Forest to Odenthal | 5,693.06 mi (9,162.10 km) |
| Lake Forest to Oelde | 5,683.32 mi (9,146.42 km) |
| Lake Forest to Oelsnitz | 5,871.91 mi (9,449.92 km) |
| Lake Forest to Oer-Erkenschwick | 5,666.58 mi (9,119.48 km) |
