| Irving to Olivares | 4,928.43 mi (7,931.55 km) |
| Irving to Olivenza | 4,842.41 mi (7,793.11 km) |
| Irving to Olot | 5,168.84 mi (8,318.45 km) |
| Irving to Onate | 4,922.60 mi (7,922.16 km) |
| Irving to Onda | 5,122.56 mi (8,243.96 km) |
| Irving to Onteniente | 5,145.94 mi (8,281.60 km) |
| Irving to Orihuela | 5,155.43 mi (8,296.86 km) |
| Irving to Osuna | 4,985.37 mi (8,023.17 km) |
| Irving to Ourense | 4,696.30 mi (7,557.97 km) |
| Irving to Oviedo | 4,758.31 mi (7,657.76 km) |
| Irving to Paiporta | 5,133.84 mi (8,262.12 km) |
| Irving to Pajara | 4,805.42 mi (7,733.57 km) |
| Irving to Palafolls | 5,198.62 mi (8,366.36 km) |
| Irving to Palafrugell | 5,207.91 mi (8,381.32 km) |
| Irving to Palamos | 5,208.97 mi (8,383.03 km) |
