| McAllen to Oberkirch | 5,565.76 mi (8,957.23 km) |
| McAllen to Obernburg am Main | 5,562.89 mi (8,952.60 km) |
| McAllen to Obernkirchen | 5,479.22 mi (8,817.95 km) |
| McAllen to Oberschleissheim | 5,713.43 mi (9,194.88 km) |
| McAllen to Oberstdorf | 5,692.56 mi (9,161.28 km) |
| McAllen to Obertraubling | 5,710.61 mi (9,190.34 km) |
| McAllen to Obertshausen | 5,543.24 mi (8,920.98 km) |
| McAllen to Oberursel | 5,528.71 mi (8,897.60 km) |
| McAllen to Ochsenfurt | 5,605.21 mi (9,020.71 km) |
| McAllen to Ochsenhausen | 5,655.94 mi (9,102.35 km) |
| McAllen to Ochtrup | 5,409.69 mi (8,706.06 km) |
| McAllen to Odenthal | 5,445.01 mi (8,762.90 km) |
| McAllen to Oelde | 5,457.82 mi (8,783.51 km) |
| McAllen to Oelsnitz | 5,657.55 mi (9,104.94 km) |
| McAllen to Oer-Erkenschwick | 5,430.28 mi (8,739.18 km) |
