| Oakland to Olivares | 5,835.68 mi (9,391.62 km) |
| Oakland to Olivenza | 5,737.47 mi (9,233.56 km) |
| Oakland to Olot | 5,909.06 mi (9,509.72 km) |
| Oakland to Onate | 5,697.91 mi (9,169.91 km) |
| Oakland to Onda | 5,929.05 mi (9,541.88 km) |
| Oakland to Onteniente | 5,974.96 mi (9,615.77 km) |
| Oakland to Orihuela | 6,000.08 mi (9,656.19 km) |
| Oakland to Osuna | 5,885.54 mi (9,471.86 km) |
| Oakland to Ourense | 5,534.86 mi (8,907.50 km) |
| Oakland to Oviedo | 5,560.18 mi (8,948.24 km) |
| Oakland to Paiporta | 5,950.86 mi (9,576.98 km) |
| Oakland to Pajara | 5,922.32 mi (9,531.06 km) |
| Oakland to Palafolls | 5,944.73 mi (9,567.12 km) |
| Oakland to Palafrugell | 5,945.42 mi (9,568.23 km) |
| Oakland to Palamos | 5,948.06 mi (9,572.48 km) |
