| Valley Stream to Oberkirch | 3,865.17 mi (6,220.38 km) |
| Valley Stream to Obernburg am Main | 3,870.47 mi (6,228.92 km) |
| Valley Stream to Obernkirchen | 3,801.20 mi (6,117.43 km) |
| Valley Stream to Oberschleissheim | 4,017.32 mi (6,465.25 km) |
| Valley Stream to Oberstdorf | 3,990.47 mi (6,422.04 km) |
| Valley Stream to Obertraubling | 4,019.20 mi (6,468.28 km) |
| Valley Stream to Obertshausen | 3,851.49 mi (6,198.37 km) |
| Valley Stream to Oberursel | 3,837.25 mi (6,175.45 km) |
| Valley Stream to Ochsenfurt | 3,913.44 mi (6,298.08 km) |
| Valley Stream to Ochsenhausen | 3,956.21 mi (6,366.91 km) |
| Valley Stream to Ochtrup | 3,727.58 mi (5,998.96 km) |
| Valley Stream to Odenthal | 3,755.65 mi (6,044.13 km) |
| Valley Stream to Oelde | 3,775.13 mi (6,075.48 km) |
| Valley Stream to Oelsnitz | 3,974.21 mi (6,395.87 km) |
| Valley Stream to Oer-Erkenschwick | 3,744.75 mi (6,026.60 km) |
