| Cinco Ranch to Oberkirch | 5,282.82 mi (8,501.87 km) |
| Cinco Ranch to Obernburg am Main | 5,278.90 mi (8,495.56 km) |
| Cinco Ranch to Obernkirchen | 5,194.08 mi (8,359.06 km) |
| Cinco Ranch to Oberschleissheim | 5,429.80 mi (8,738.42 km) |
| Cinco Ranch to Oberstdorf | 5,409.79 mi (8,706.21 km) |
| Cinco Ranch to Obertraubling | 5,426.45 mi (8,733.03 km) |
| Cinco Ranch to Obertshausen | 5,259.18 mi (8,463.84 km) |
| Cinco Ranch to Oberursel | 5,244.63 mi (8,440.42 km) |
| Cinco Ranch to Ochsenfurt | 5,321.13 mi (8,563.53 km) |
| Cinco Ranch to Ochsenhausen | 5,372.82 mi (8,646.72 km) |
| Cinco Ranch to Ochtrup | 5,124.85 mi (8,247.65 km) |
| Cinco Ranch to Odenthal | 5,160.76 mi (8,305.44 km) |
| Cinco Ranch to Oelde | 5,173.00 mi (8,325.14 km) |
| Cinco Ranch to Oelsnitz | 5,372.70 mi (8,646.52 km) |
| Cinco Ranch to Oer-Erkenschwick | 5,145.69 mi (8,281.19 km) |
