| Farmers Branch to Oerlinghausen | 5,055.55 mi (8,136.12 km) |
| Farmers Branch to Oestrich-Winkel | 5,103.80 mi (8,213.77 km) |
| Farmers Branch to Offenburg | 5,158.26 mi (8,301.41 km) |
| Farmers Branch to Oftersheim | 5,149.27 mi (8,286.94 km) |
| Farmers Branch to Ohrdruf | 5,173.14 mi (8,325.36 km) |
| Farmers Branch to Ohringen | 5,190.23 mi (8,352.87 km) |
| Farmers Branch to Olbernhau | 5,272.72 mi (8,485.63 km) |
| Farmers Branch to Olching | 5,297.59 mi (8,525.65 km) |
| Farmers Branch to Oldenburg | 4,996.28 mi (8,040.73 km) |
| Farmers Branch to Oldenburg in Holstein | 5,045.38 mi (8,119.76 km) |
| Farmers Branch to Olfen | 5,018.19 mi (8,076.00 km) |
| Farmers Branch to Olpe | 5,060.16 mi (8,143.54 km) |
| Farmers Branch to Olsberg | 5,071.71 mi (8,162.13 km) |
| Farmers Branch to Oranienburg | 5,185.42 mi (8,345.13 km) |
| Farmers Branch to Ortenberg | 5,129.81 mi (8,255.64 km) |
