| Farmers Branch to Olivares | 4,921.47 mi (7,920.34 km) |
| Farmers Branch to Olivenza | 4,835.44 mi (7,781.88 km) |
| Farmers Branch to Olot | 5,161.79 mi (8,307.10 km) |
| Farmers Branch to Onate | 4,915.55 mi (7,910.81 km) |
| Farmers Branch to Onda | 5,115.52 mi (8,232.64 km) |
| Farmers Branch to Onteniente | 5,138.93 mi (8,270.30 km) |
| Farmers Branch to Orihuela | 5,148.42 mi (8,285.58 km) |
| Farmers Branch to Osuna | 4,978.40 mi (8,011.96 km) |
| Farmers Branch to Ourense | 4,689.27 mi (7,546.66 km) |
| Farmers Branch to Oviedo | 4,751.27 mi (7,646.42 km) |
| Farmers Branch to Paiporta | 5,126.82 mi (8,250.81 km) |
| Farmers Branch to Pajara | 4,798.84 mi (7,722.98 km) |
| Farmers Branch to Palafolls | 5,191.56 mi (8,355.01 km) |
| Farmers Branch to Palafrugell | 5,200.85 mi (8,369.97 km) |
| Farmers Branch to Palamos | 5,201.92 mi (8,371.68 km) |
