| Forres to Oberkirch | 790.91 mi (1,272.84 km) |
| Forres to Obernburg am Main | 746.16 mi (1,200.84 km) |
| Forres to Obernkirchen | 624.35 mi (1,004.80 km) |
| Forres to Oberschleissheim | 900.60 mi (1,449.38 km) |
| Forres to Oberstdorf | 911.92 mi (1,467.59 km) |
| Forres to Obertraubling | 880.26 mi (1,416.65 km) |
| Forres to Obertshausen | 725.37 mi (1,167.37 km) |
| Forres to Oberursel | 710.87 mi (1,144.04 km) |
| Forres to Ochsenfurt | 782.65 mi (1,259.55 km) |
| Forres to Ochsenhausen | 865.56 mi (1,392.99 km) |
| Forres to Ochtrup | 567.79 mi (913.78 km) |
| Forres to Odenthal | 625.94 mi (1,007.36 km) |
| Forres to Oelde | 614.80 mi (989.43 km) |
| Forres to Oelsnitz | 807.70 mi (1,299.87 km) |
| Forres to Oer-Erkenschwick | 597.85 mi (962.14 km) |
