| Santa Monica to Olivares | 5,862.18 mi (9,434.26 km) |
| Santa Monica to Olivenza | 5,766.58 mi (9,280.41 km) |
| Santa Monica to Olot | 5,981.99 mi (9,627.08 km) |
| Santa Monica to Onate | 5,759.53 mi (9,269.07 km) |
| Santa Monica to Onda | 5,984.60 mi (9,631.28 km) |
| Santa Monica to Onteniente | 6,024.80 mi (9,695.98 km) |
| Santa Monica to Orihuela | 6,045.83 mi (9,729.83 km) |
| Santa Monica to Osuna | 5,914.53 mi (9,518.51 km) |
| Santa Monica to Ourense | 5,577.85 mi (8,976.68 km) |
| Santa Monica to Oviedo | 5,613.35 mi (9,033.82 km) |
| Santa Monica to Paiporta | 6,003.76 mi (9,662.12 km) |
| Santa Monica to Pajara | 5,883.34 mi (9,468.32 km) |
| Santa Monica to Palafolls | 6,016.48 mi (9,682.59 km) |
| Santa Monica to Palafrugell | 6,019.42 mi (9,687.32 km) |
| Santa Monica to Palamos | 6,021.67 mi (9,690.95 km) |
