| Farmers Branch to Oberkirch | 5,161.54 mi (8,306.70 km) |
| Farmers Branch to Obernburg am Main | 5,152.47 mi (8,292.10 km) |
| Farmers Branch to Obernkirchen | 5,060.58 mi (8,144.22 km) |
| Farmers Branch to Oberschleissheim | 5,305.03 mi (8,537.62 km) |
| Farmers Branch to Oberstdorf | 5,289.10 mi (8,511.99 km) |
| Farmers Branch to Obertraubling | 5,298.87 mi (8,527.71 km) |
| Farmers Branch to Obertshausen | 5,132.45 mi (8,259.88 km) |
| Farmers Branch to Oberursel | 5,117.79 mi (8,236.28 km) |
| Farmers Branch to Ochsenfurt | 5,194.16 mi (8,359.20 km) |
| Farmers Branch to Ochsenhausen | 5,250.61 mi (8,450.04 km) |
| Farmers Branch to Ochtrup | 4,993.58 mi (8,036.39 km) |
| Farmers Branch to Odenthal | 5,033.08 mi (8,099.96 km) |
| Farmers Branch to Oelde | 5,041.81 mi (8,114.01 km) |
| Farmers Branch to Oelsnitz | 5,241.02 mi (8,434.61 km) |
| Farmers Branch to Oer-Erkenschwick | 5,016.04 mi (8,072.54 km) |
