| South Holland to Oberkirch | 4,377.56 mi (7,045.00 km) |
| South Holland to Obernburg am Main | 4,367.28 mi (7,028.45 km) |
| South Holland to Obernkirchen | 4,274.69 mi (6,879.46 km) |
| South Holland to Oberschleissheim | 4,520.11 mi (7,274.42 km) |
| South Holland to Oberstdorf | 4,505.24 mi (7,250.48 km) |
| South Holland to Obertraubling | 4,513.46 mi (7,263.71 km) |
| South Holland to Obertshausen | 4,347.20 mi (6,996.15 km) |
| South Holland to Oberursel | 4,332.53 mi (6,972.54 km) |
| South Holland to Ochsenfurt | 4,408.87 mi (7,095.38 km) |
| South Holland to Ochsenhausen | 4,466.33 mi (7,187.86 km) |
| South Holland to Ochtrup | 4,207.80 mi (6,771.80 km) |
| South Holland to Odenthal | 4,247.71 mi (6,836.03 km) |
| South Holland to Oelde | 4,256.03 mi (6,849.42 km) |
| South Holland to Oelsnitz | 4,455.20 mi (7,169.95 km) |
| South Holland to Oer-Erkenschwick | 4,230.41 mi (6,808.18 km) |
