| Farmers Branch to Orbetello | 5,524.30 mi (8,890.50 km) |
| Farmers Branch to Oria | 5,868.77 mi (9,444.87 km) |
| Farmers Branch to Oristano | 5,514.18 mi (8,874.21 km) |
| Farmers Branch to Orta Nova | 5,754.77 mi (9,261.41 km) |
| Farmers Branch to Orte | 5,571.71 mi (8,966.80 km) |
| Farmers Branch to Ortona | 5,658.16 mi (9,105.93 km) |
| Farmers Branch to Orvieto | 5,549.83 mi (8,931.59 km) |
| Farmers Branch to Orzinuovi | 5,354.25 mi (8,616.83 km) |
| Farmers Branch to Osimo | 5,573.72 mi (8,970.03 km) |
| Farmers Branch to Ospitaletto | 5,353.73 mi (8,615.99 km) |
| Farmers Branch to Ostuni | 5,856.41 mi (9,424.99 km) |
| Farmers Branch to Ottaviano | 5,725.01 mi (9,213.51 km) |
| Farmers Branch to Ovada | 5,331.92 mi (8,580.90 km) |
| Farmers Branch to Ozieri | 5,505.24 mi (8,859.83 km) |
| Farmers Branch to Paceco | 5,764.32 mi (9,276.78 km) |
