| Apex to Olivares | 3,930.70 mi (6,325.84 km) |
| Apex to Olivenza | 3,850.25 mi (6,196.37 km) |
| Apex to Olot | 4,225.56 mi (6,800.38 km) |
| Apex to Onate | 3,972.35 mi (6,392.88 km) |
| Apex to Onda | 4,155.20 mi (6,687.15 km) |
| Apex to Onteniente | 4,169.99 mi (6,710.95 km) |
| Apex to Orihuela | 4,173.87 mi (6,717.19 km) |
| Apex to Osuna | 3,988.84 mi (6,419.42 km) |
| Apex to Ourense | 3,727.54 mi (5,998.89 km) |
| Apex to Oviedo | 3,802.13 mi (6,118.94 km) |
| Apex to Paiporta | 4,162.42 mi (6,698.76 km) |
| Apex to Pajara | 3,760.47 mi (6,051.88 km) |
| Apex to Palafolls | 4,252.17 mi (6,843.20 km) |
| Apex to Palafrugell | 4,264.59 mi (6,863.19 km) |
| Apex to Palamos | 4,265.00 mi (6,863.85 km) |
