| Raleigh to Olivares | 3,915.76 mi (6,301.81 km) |
| Raleigh to Olivenza | 3,835.29 mi (6,172.31 km) |
| Raleigh to Olot | 4,210.59 mi (6,776.29 km) |
| Raleigh to Onate | 3,957.37 mi (6,368.78 km) |
| Raleigh to Onda | 4,140.21 mi (6,663.03 km) |
| Raleigh to Onteniente | 4,155.00 mi (6,686.83 km) |
| Raleigh to Orihuela | 4,158.89 mi (6,693.09 km) |
| Raleigh to Osuna | 3,973.90 mi (6,395.38 km) |
| Raleigh to Ourense | 3,712.55 mi (5,974.77 km) |
| Raleigh to Oviedo | 3,787.15 mi (6,094.83 km) |
| Raleigh to Paiporta | 4,147.43 mi (6,674.64 km) |
| Raleigh to Pajara | 3,746.24 mi (6,028.99 km) |
| Raleigh to Palafolls | 4,237.19 mi (6,819.10 km) |
| Raleigh to Palafrugell | 4,249.62 mi (6,839.10 km) |
| Raleigh to Palamos | 4,250.03 mi (6,839.77 km) |
