| Warsaw to Oberkirch | 623.09 mi (1,002.77 km) |
| Warsaw to Obernburg am Main | 540.79 mi (870.31 km) |
| Warsaw to Obernkirchen | 502.55 mi (808.77 km) |
| Warsaw to Oberschleissheim | 499.19 mi (803.38 km) |
| Warsaw to Oberstdorf | 581.99 mi (936.62 km) |
| Warsaw to Obertraubling | 448.24 mi (721.38 km) |
| Warsaw to Obertshausen | 547.82 mi (881.64 km) |
| Warsaw to Oberursel | 555.28 mi (893.63 km) |
| Warsaw to Ochsenfurt | 508.13 mi (817.76 km) |
| Warsaw to Ochsenhausen | 566.94 mi (912.40 km) |
| Warsaw to Ochtrup | 584.16 mi (940.12 km) |
| Warsaw to Odenthal | 600.65 mi (966.65 km) |
| Warsaw to Oelde | 546.67 mi (879.77 km) |
| Warsaw to Oelsnitz | 401.61 mi (646.32 km) |
| Warsaw to Oer-Erkenschwick | 586.69 mi (944.19 km) |
