| McKinney to Oberkirch | 5,139.16 mi (8,270.68 km) |
| McKinney to Obernburg am Main | 5,130.01 mi (8,255.95 km) |
| McKinney to Obernkirchen | 5,038.03 mi (8,107.93 km) |
| McKinney to Oberschleissheim | 5,282.59 mi (8,501.50 km) |
| McKinney to Oberstdorf | 5,266.73 mi (8,475.98 km) |
| McKinney to Obertraubling | 5,276.39 mi (8,491.53 km) |
| McKinney to Obertshausen | 5,109.98 mi (8,223.72 km) |
| McKinney to Oberursel | 5,095.32 mi (8,200.13 km) |
| McKinney to Ochsenfurt | 5,171.69 mi (8,323.03 km) |
| McKinney to Ochsenhausen | 5,228.21 mi (8,414.00 km) |
| McKinney to Ochtrup | 4,971.06 mi (8,000.14 km) |
| McKinney to Odenthal | 5,010.61 mi (8,063.79 km) |
| McKinney to Oelde | 5,019.29 mi (8,077.77 km) |
| McKinney to Oelsnitz | 5,218.49 mi (8,398.35 km) |
| McKinney to Oer-Erkenschwick | 4,993.54 mi (8,036.32 km) |
