| Upland to Oberkirch | 5,821.63 mi (9,369.01 km) |
| Upland to Obernburg am Main | 5,786.76 mi (9,312.90 km) |
| Upland to Obernkirchen | 5,661.36 mi (9,111.08 km) |
| Upland to Oberschleissheim | 5,941.70 mi (9,562.25 km) |
| Upland to Oberstdorf | 5,947.15 mi (9,571.01 km) |
| Upland to Obertraubling | 5,921.27 mi (9,529.36 km) |
| Upland to Obertshausen | 5,765.96 mi (9,279.41 km) |
| Upland to Oberursel | 5,751.34 mi (9,255.89 km) |
| Upland to Ochsenfurt | 5,823.97 mi (9,372.77 km) |
| Upland to Ochsenhausen | 5,902.51 mi (9,499.17 km) |
| Upland to Ochtrup | 5,609.09 mi (9,026.96 km) |
| Upland to Odenthal | 5,665.77 mi (9,118.18 km) |
| Upland to Oelde | 5,655.75 mi (9,102.05 km) |
| Upland to Oelsnitz | 5,844.08 mi (9,405.13 km) |
| Upland to Oer-Erkenschwick | 5,639.15 mi (9,075.34 km) |
