| Simi Valley to Olivares | 5,862.13 mi (9,434.19 km) |
| Simi Valley to Olivenza | 5,766.33 mi (9,280.01 km) |
| Simi Valley to Olot | 5,978.78 mi (9,621.92 km) |
| Simi Valley to Onate | 5,757.05 mi (9,265.08 km) |
| Simi Valley to Onda | 5,982.59 mi (9,628.05 km) |
| Simi Valley to Onteniente | 6,023.19 mi (9,693.39 km) |
| Simi Valley to Orihuela | 6,044.51 mi (9,727.70 km) |
| Simi Valley to Osuna | 5,914.32 mi (9,518.19 km) |
| Simi Valley to Ourense | 5,576.61 mi (8,974.69 km) |
| Simi Valley to Oviedo | 5,611.42 mi (9,030.71 km) |
| Simi Valley to Paiporta | 6,001.94 mi (9,659.18 km) |
| Simi Valley to Pajara | 5,887.74 mi (9,475.40 km) |
| Simi Valley to Palafolls | 6,013.36 mi (9,677.57 km) |
| Simi Valley to Palafrugell | 6,016.14 mi (9,682.04 km) |
| Simi Valley to Palamos | 6,018.43 mi (9,685.72 km) |
