| Parkville to Oberkirch | 4,038.18 mi (6,498.82 km) |
| Parkville to Obernburg am Main | 4,042.65 mi (6,506.01 km) |
| Parkville to Obernkirchen | 3,971.82 mi (6,392.02 km) |
| Parkville to Oberschleissheim | 4,189.92 mi (6,743.02 km) |
| Parkville to Oberstdorf | 4,163.66 mi (6,700.76 km) |
| Parkville to Obertraubling | 4,191.33 mi (6,745.29 km) |
| Parkville to Obertshausen | 4,023.59 mi (6,475.34 km) |
| Parkville to Oberursel | 4,009.31 mi (6,452.37 km) |
| Parkville to Ochsenfurt | 4,085.57 mi (6,575.09 km) |
| Parkville to Ochsenhausen | 4,129.16 mi (6,645.24 km) |
| Parkville to Ochtrup | 3,898.60 mi (6,274.19 km) |
| Parkville to Odenthal | 3,927.46 mi (6,320.64 km) |
| Parkville to Oelde | 3,946.24 mi (6,350.86 km) |
| Parkville to Oelsnitz | 4,145.48 mi (6,671.51 km) |
| Parkville to Oer-Erkenschwick | 3,916.15 mi (6,302.44 km) |
