| Ortahisar to Olivares | 2,215.35 mi (3,565.25 km) |
| Ortahisar to Olivenza | 2,244.01 mi (3,611.39 km) |
| Ortahisar to Olot | 1,710.71 mi (2,753.13 km) |
| Ortahisar to Onate | 1,956.45 mi (3,148.60 km) |
| Ortahisar to Onda | 1,868.58 mi (3,007.18 km) |
| Ortahisar to Onteniente | 1,900.00 mi (3,057.75 km) |
| Ortahisar to Orihuela | 1,928.28 mi (3,103.27 km) |
| Ortahisar to Osuna | 2,162.91 mi (3,480.86 km) |
| Ortahisar to Ourense | 2,236.53 mi (3,599.36 km) |
| Ortahisar to Oviedo | 2,126.77 mi (3,422.71 km) |
| Ortahisar to Paiporta | 1,882.55 mi (3,029.68 km) |
| Ortahisar to Pajara | 2,874.23 mi (4,625.63 km) |
| Ortahisar to Palafolls | 1,699.23 mi (2,734.64 km) |
| Ortahisar to Palafrugell | 1,677.04 mi (2,698.94 km) |
| Ortahisar to Palamos | 1,679.05 mi (2,702.18 km) |
