| Grasse to Obernburg am Main | 439.29 mi (706.97 km) |
| Grasse to Obernkirchen | 602.77 mi (970.06 km) |
| Grasse to Oberschleissheim | 387.35 mi (623.38 km) |
| Grasse to Oberstdorf | 305.48 mi (491.63 km) |
| Grasse to Obertraubling | 443.41 mi (713.60 km) |
| Grasse to Obertshausen | 451.33 mi (726.34 km) |
| Grasse to Oberursel | 458.34 mi (737.63 km) |
| Grasse to Ochsenfurt | 439.46 mi (707.25 km) |
| Grasse to Ochsenhausen | 337.46 mi (543.08 km) |
| Grasse to Ochtrup | 590.12 mi (949.70 km) |
| Grasse to Odenthal | 509.07 mi (819.27 km) |
| Grasse to Oelde | 567.14 mi (912.72 km) |
| Grasse to Oelsnitz | 527.52 mi (848.96 km) |
| Grasse to Oer-Erkenschwick | 551.27 mi (887.19 km) |
| Grasse to Oerlinghausen | 579.15 mi (932.05 km) |
