| Pike Creek Valley to Oberkirch | 3,987.83 mi (6,417.79 km) |
| Pike Creek Valley to Obernburg am Main | 3,992.62 mi (6,425.51 km) |
| Pike Creek Valley to Obernkirchen | 3,922.38 mi (6,312.45 km) |
| Pike Creek Valley to Oberschleissheim | 4,139.73 mi (6,662.25 km) |
| Pike Creek Valley to Oberstdorf | 4,113.23 mi (6,619.61 km) |
| Pike Creek Valley to Obertraubling | 4,141.33 mi (6,664.82 km) |
| Pike Creek Valley to Obertshausen | 3,973.59 mi (6,394.88 km) |
| Pike Creek Valley to Oberursel | 3,959.33 mi (6,371.93 km) |
| Pike Creek Valley to Ochsenfurt | 4,035.57 mi (6,494.62 km) |
| Pike Creek Valley to Ochsenhausen | 4,078.83 mi (6,564.25 km) |
| Pike Creek Valley to Ochtrup | 3,849.01 mi (6,194.39 km) |
| Pike Creek Valley to Odenthal | 3,877.58 mi (6,240.36 km) |
| Pike Creek Valley to Oelde | 3,896.62 mi (6,271.00 km) |
| Pike Creek Valley to Oelsnitz | 4,095.80 mi (6,591.56 km) |
| Pike Creek Valley to Oer-Erkenschwick | 3,866.42 mi (6,222.41 km) |
