| Davidson to Oberkirch | 4,391.62 mi (7,067.62 km) |
| Davidson to Obernburg am Main | 4,397.42 mi (7,076.96 km) |
| Davidson to Obernkirchen | 4,328.01 mi (6,965.26 km) |
| Davidson to Oberschleissheim | 4,544.08 mi (7,312.99 km) |
| Davidson to Oberstdorf | 4,516.72 mi (7,268.96 km) |
| Davidson to Obertraubling | 4,546.16 mi (7,316.34 km) |
| Davidson to Obertshausen | 4,378.46 mi (7,046.45 km) |
| Davidson to Oberursel | 4,364.23 mi (7,023.54 km) |
| Davidson to Ochsenfurt | 4,440.41 mi (7,146.15 km) |
| Davidson to Ochsenhausen | 4,482.72 mi (7,214.24 km) |
| Davidson to Ochtrup | 4,254.52 mi (6,846.99 km) |
| Davidson to Odenthal | 4,282.67 mi (6,892.29 km) |
| Davidson to Oelde | 4,302.09 mi (6,923.55 km) |
| Davidson to Oelsnitz | 4,501.21 mi (7,243.99 km) |
| Davidson to Oer-Erkenschwick | 4,271.77 mi (6,874.74 km) |
