| Sussex to Oberkirch | 4,329.43 mi (6,967.55 km) |
| Sussex to Obernburg am Main | 4,316.30 mi (6,946.41 km) |
| Sussex to Obernkirchen | 4,219.86 mi (6,791.22 km) |
| Sussex to Oberschleissheim | 4,469.84 mi (7,193.52 km) |
| Sussex to Oberstdorf | 4,457.24 mi (7,173.24 km) |
| Sussex to Obertraubling | 4,461.65 mi (7,180.34 km) |
| Sussex to Obertshausen | 4,296.08 mi (6,913.87 km) |
| Sussex to Oberursel | 4,281.37 mi (6,890.19 km) |
| Sussex to Ochsenfurt | 4,357.53 mi (7,012.77 km) |
| Sussex to Ochsenhausen | 4,417.55 mi (7,109.36 km) |
| Sussex to Ochtrup | 4,154.30 mi (6,685.70 km) |
| Sussex to Odenthal | 4,196.19 mi (6,753.11 km) |
| Sussex to Oelde | 4,202.53 mi (6,763.31 km) |
| Sussex to Oelsnitz | 4,401.19 mi (7,083.03 km) |
| Sussex to Oer-Erkenschwick | 4,177.80 mi (6,723.51 km) |
