| Allison Park to Oberkirch | 4,124.75 mi (6,638.14 km) |
| Allison Park to Obernburg am Main | 4,123.81 mi (6,636.63 km) |
| Allison Park to Obernkirchen | 4,044.87 mi (6,509.59 km) |
| Allison Park to Oberschleissheim | 4,273.47 mi (6,877.49 km) |
| Allison Park to Oberstdorf | 4,251.33 mi (6,841.85 km) |
| Allison Park to Obertraubling | 4,271.94 mi (6,875.03 km) |
| Allison Park to Obertshausen | 4,104.33 mi (6,605.29 km) |
| Allison Park to Oberursel | 4,089.88 mi (6,582.02 km) |
| Allison Park to Ochsenfurt | 4,166.35 mi (6,705.10 km) |
| Allison Park to Ochsenhausen | 4,215.13 mi (6,783.59 km) |
| Allison Park to Ochtrup | 3,973.76 mi (6,395.15 km) |
| Allison Park to Odenthal | 4,006.73 mi (6,448.21 km) |
| Allison Park to Oelde | 4,021.74 mi (6,472.37 km) |
| Allison Park to Oelsnitz | 4,221.47 mi (6,793.80 km) |
| Allison Park to Oer-Erkenschwick | 3,993.20 mi (6,426.44 km) |
