| Holtsville to Oberkirch | 3,831.57 mi (6,166.32 km) |
| Holtsville to Obernburg am Main | 3,837.29 mi (6,175.53 km) |
| Holtsville to Obernkirchen | 3,768.72 mi (6,065.16 km) |
| Holtsville to Oberschleissheim | 3,983.93 mi (6,411.52 km) |
| Holtsville to Oberstdorf | 3,956.77 mi (6,367.81 km) |
| Holtsville to Obertraubling | 3,986.05 mi (6,414.92 km) |
| Holtsville to Obertshausen | 3,818.35 mi (6,145.04 km) |
| Holtsville to Oberursel | 3,804.13 mi (6,122.15 km) |
| Holtsville to Ochsenfurt | 3,880.29 mi (6,244.73 km) |
| Holtsville to Ochsenhausen | 3,922.65 mi (6,312.90 km) |
| Holtsville to Ochtrup | 3,694.93 mi (5,946.41 km) |
| Holtsville to Odenthal | 3,722.65 mi (5,991.02 km) |
| Holtsville to Oelde | 3,742.44 mi (6,022.88 km) |
| Holtsville to Oelsnitz | 3,941.45 mi (6,343.14 km) |
| Holtsville to Oer-Erkenschwick | 3,711.94 mi (5,973.79 km) |
