| Four Square Mile to Oberkirch | 5,096.70 mi (8,202.35 km) |
| Four Square Mile to Obernburg am Main | 5,070.72 mi (8,160.53 km) |
| Four Square Mile to Obernkirchen | 4,956.63 mi (7,976.92 km) |
| Four Square Mile to Oberschleissheim | 5,226.01 mi (8,410.45 km) |
| Four Square Mile to Oberstdorf | 5,223.88 mi (8,407.02 km) |
| Four Square Mile to Obertraubling | 5,210.63 mi (8,385.70 km) |
| Four Square Mile to Obertshausen | 5,050.03 mi (8,127.23 km) |
| Four Square Mile to Oberursel | 5,035.28 mi (8,103.50 km) |
| Four Square Mile to Ochsenfurt | 5,109.84 mi (8,223.49 km) |
| Four Square Mile to Ochsenhausen | 5,181.07 mi (8,338.12 km) |
| Four Square Mile to Ochtrup | 4,898.45 mi (7,883.29 km) |
| Four Square Mile to Odenthal | 4,949.34 mi (7,965.19 km) |
| Four Square Mile to Oelde | 4,946.07 mi (7,959.93 km) |
| Four Square Mile to Oelsnitz | 5,140.02 mi (8,272.07 km) |
| Four Square Mile to Oer-Erkenschwick | 4,925.97 mi (7,927.59 km) |
