| Del City to Oberkirch | 5,052.73 mi (8,131.59 km) |
| Del City to Obernburg am Main | 5,039.97 mi (8,111.05 km) |
| Del City to Obernkirchen | 4,943.15 mi (7,955.23 km) |
| Del City to Oberschleissheim | 5,193.48 mi (8,358.10 km) |
| Del City to Oberstdorf | 5,180.52 mi (8,337.24 km) |
| Del City to Obertraubling | 5,185.33 mi (8,344.98 km) |
| Del City to Obertshausen | 5,019.75 mi (8,078.51 km) |
| Del City to Oberursel | 5,005.04 mi (8,054.84 km) |
| Del City to Ochsenfurt | 5,081.21 mi (8,177.41 km) |
| Del City to Ochsenhausen | 5,140.99 mi (8,273.62 km) |
| Del City to Ochtrup | 4,877.84 mi (7,850.13 km) |
| Del City to Odenthal | 4,919.87 mi (7,917.76 km) |
| Del City to Oelde | 4,926.06 mi (7,927.73 km) |
| Del City to Oelsnitz | 5,124.63 mi (8,247.30 km) |
| Del City to Oer-Erkenschwick | 4,901.43 mi (7,888.09 km) |
