| Vernon Hills to Oberkirch | 4,361.48 mi (7,019.13 km) |
| Vernon Hills to Obernburg am Main | 4,349.91 mi (7,000.51 km) |
| Vernon Hills to Obernkirchen | 4,255.59 mi (6,848.70 km) |
| Vernon Hills to Oberschleissheim | 4,503.09 mi (7,247.02 km) |
| Vernon Hills to Oberstdorf | 4,489.23 mi (7,224.71 km) |
| Vernon Hills to Obertraubling | 4,495.74 mi (7,235.19 km) |
| Vernon Hills to Obertshausen | 4,329.77 mi (6,968.10 km) |
| Vernon Hills to Oberursel | 4,315.08 mi (6,944.45 km) |
| Vernon Hills to Ochsenfurt | 4,391.35 mi (7,067.19 km) |
| Vernon Hills to Ochsenhausen | 4,449.97 mi (7,161.53 km) |
| Vernon Hills to Ochtrup | 4,189.29 mi (6,742.00 km) |
| Vernon Hills to Odenthal | 4,230.09 mi (6,807.67 km) |
| Vernon Hills to Oelde | 4,237.52 mi (6,819.63 km) |
| Vernon Hills to Oelsnitz | 4,436.48 mi (7,139.82 km) |
| Vernon Hills to Oer-Erkenschwick | 4,212.30 mi (6,779.03 km) |
