| Garwolin to Oberkirch | 641.45 mi (1,032.31 km) |
| Garwolin to Obernburg am Main | 562.19 mi (904.76 km) |
| Garwolin to Obernkirchen | 531.33 mi (855.10 km) |
| Garwolin to Oberschleissheim | 512.06 mi (824.07 km) |
| Garwolin to Oberstdorf | 594.15 mi (956.20 km) |
| Garwolin to Obertraubling | 462.86 mi (744.90 km) |
| Garwolin to Obertshausen | 570.18 mi (917.62 km) |
| Garwolin to Oberursel | 578.23 mi (930.58 km) |
| Garwolin to Ochsenfurt | 528.08 mi (849.86 km) |
| Garwolin to Ochsenhausen | 581.68 mi (936.13 km) |
| Garwolin to Ochtrup | 613.00 mi (986.53 km) |
| Garwolin to Odenthal | 626.65 mi (1,008.49 km) |
| Garwolin to Oelde | 574.46 mi (924.50 km) |
| Garwolin to Oelsnitz | 422.49 mi (679.93 km) |
| Garwolin to Oer-Erkenschwick | 614.18 mi (988.43 km) |
