| Garfield to Oberkirch | 3,872.83 mi (6,232.72 km) |
| Garfield to Obernburg am Main | 3,877.36 mi (6,240.01 km) |
| Garfield to Obernkirchen | 3,806.92 mi (6,126.65 km) |
| Garfield to Oberschleissheim | 4,024.59 mi (6,476.95 km) |
| Garfield to Oberstdorf | 3,998.32 mi (6,434.67 km) |
| Garfield to Obertraubling | 4,026.05 mi (6,479.31 km) |
| Garfield to Obertshausen | 3,858.32 mi (6,209.36 km) |
| Garfield to Oberursel | 3,844.05 mi (6,186.40 km) |
| Garfield to Ochsenfurt | 3,920.29 mi (6,309.11 km) |
| Garfield to Ochsenhausen | 3,963.81 mi (6,379.14 km) |
| Garfield to Ochtrup | 3,733.58 mi (6,008.62 km) |
| Garfield to Odenthal | 3,762.25 mi (6,054.75 km) |
| Garfield to Oelde | 3,781.19 mi (6,085.24 km) |
| Garfield to Oelsnitz | 3,980.40 mi (6,405.83 km) |
| Garfield to Oer-Erkenschwick | 3,751.03 mi (6,036.70 km) |
