| Suffolk to Oberkirch | 4,161.09 mi (6,696.63 km) |
| Suffolk to Obernburg am Main | 4,169.67 mi (6,710.44 km) |
| Suffolk to Obernkirchen | 4,104.84 mi (6,606.10 km) |
| Suffolk to Oberschleissheim | 4,314.87 mi (6,944.11 km) |
| Suffolk to Oberstdorf | 4,285.47 mi (6,896.80 km) |
| Suffolk to Obertraubling | 4,318.49 mi (6,949.94 km) |
| Suffolk to Obertshausen | 4,150.96 mi (6,680.32 km) |
| Suffolk to Oberursel | 4,136.85 mi (6,657.61 km) |
| Suffolk to Ochsenfurt | 4,212.80 mi (6,779.85 km) |
| Suffolk to Ochsenhausen | 4,252.37 mi (6,843.52 km) |
| Suffolk to Ochtrup | 4,030.27 mi (6,486.10 km) |
| Suffolk to Odenthal | 4,056.11 mi (6,527.67 km) |
| Suffolk to Oelde | 4,077.58 mi (6,562.22 km) |
| Suffolk to Oelsnitz | 4,276.12 mi (6,881.75 km) |
| Suffolk to Oer-Erkenschwick | 4,046.44 mi (6,512.11 km) |
