| Southlake to Olivares | 4,933.56 mi (7,939.80 km) |
| Southlake to Olivenza | 4,847.38 mi (7,801.10 km) |
| Southlake to Olot | 5,172.41 mi (8,324.19 km) |
| Southlake to Onate | 4,926.39 mi (7,928.26 km) |
| Southlake to Onda | 5,126.75 mi (8,250.71 km) |
| Southlake to Onteniente | 5,150.38 mi (8,288.73 km) |
| Southlake to Orihuela | 5,160.03 mi (8,304.26 km) |
| Southlake to Osuna | 4,990.45 mi (8,031.35 km) |
| Southlake to Ourense | 4,700.62 mi (7,564.91 km) |
| Southlake to Oviedo | 4,762.28 mi (7,664.15 km) |
| Southlake to Paiporta | 5,138.15 mi (8,269.06 km) |
| Southlake to Pajara | 4,812.74 mi (7,745.35 km) |
| Southlake to Palafolls | 5,202.26 mi (8,372.22 km) |
| Southlake to Palafrugell | 5,211.47 mi (8,387.05 km) |
| Southlake to Palamos | 5,212.55 mi (8,388.79 km) |
