| Security-Widefield to Olivares | 5,061.63 mi (8,145.91 km) |
| Security-Widefield to Olivenza | 4,968.26 mi (7,995.64 km) |
| Security-Widefield to Olot | 5,220.69 mi (8,401.88 km) |
| Security-Widefield to Onate | 4,988.45 mi (8,028.13 km) |
| Security-Widefield to Onda | 5,206.46 mi (8,378.98 km) |
| Security-Widefield to Onteniente | 5,241.43 mi (8,435.26 km) |
| Security-Widefield to Orihuela | 5,258.93 mi (8,463.42 km) |
| Security-Widefield to Osuna | 5,115.49 mi (8,232.59 km) |
| Security-Widefield to Ourense | 4,791.15 mi (7,710.61 km) |
| Security-Widefield to Oviedo | 4,835.30 mi (7,781.66 km) |
| Security-Widefield to Paiporta | 5,223.15 mi (8,405.85 km) |
| Security-Widefield to Pajara | 5,054.21 mi (8,133.96 km) |
| Security-Widefield to Palafolls | 5,253.72 mi (8,455.04 km) |
| Security-Widefield to Palafrugell | 5,258.95 mi (8,463.46 km) |
| Security-Widefield to Palamos | 5,260.79 mi (8,466.43 km) |
