| Robstown to Olivares | 5,157.89 mi (8,300.82 km) |
| Robstown to Olivenza | 5,075.92 mi (8,168.90 km) |
| Robstown to Olot | 5,431.37 mi (8,740.95 km) |
| Robstown to Onate | 5,181.20 mi (8,338.33 km) |
| Robstown to Onda | 5,372.30 mi (8,645.89 km) |
| Robstown to Onteniente | 5,390.59 mi (8,675.31 km) |
| Robstown to Orihuela | 5,396.52 mi (8,684.85 km) |
| Robstown to Osuna | 5,215.79 mi (8,394.00 km) |
| Robstown to Ourense | 4,944.55 mi (7,957.48 km) |
| Robstown to Oviedo | 5,013.55 mi (8,068.52 km) |
| Robstown to Paiporta | 5,381.22 mi (8,660.24 km) |
| Robstown to Pajara | 4,976.37 mi (8,008.69 km) |
| Robstown to Palafolls | 5,459.65 mi (8,786.46 km) |
| Robstown to Palafrugell | 5,470.50 mi (8,803.91 km) |
| Robstown to Palamos | 5,471.25 mi (8,805.12 km) |
