| University of California-Santa Barbara to Olivares | 5,901.45 mi (9,497.47 km) |
| University of California-Santa Barbara to Olivenza | 5,805.22 mi (9,342.60 km) |
| University of California-Santa Barbara to Olot | 6,010.67 mi (9,673.24 km) |
| University of California-Santa Barbara to Onate | 5,790.76 mi (9,319.33 km) |
| University of California-Santa Barbara to Onda | 6,017.38 mi (9,684.04 km) |
| University of California-Santa Barbara to Onteniente | 6,058.93 mi (9,750.90 km) |
| University of California-Santa Barbara to Orihuela | 6,080.91 mi (9,786.28 km) |
| University of California-Santa Barbara to Osuna | 5,953.29 mi (9,580.90 km) |
| University of California-Santa Barbara to Ourense | 5,613.27 mi (9,033.68 km) |
| University of California-Santa Barbara to Oviedo | 5,646.45 mi (9,087.09 km) |
| University of California-Santa Barbara to Paiporta | 6,037.17 mi (9,715.88 km) |
| University of California-Santa Barbara to Pajara | 5,936.19 mi (9,553.37 km) |
| University of California-Santa Barbara to Palafolls | 6,045.47 mi (9,729.24 km) |
| University of California-Santa Barbara to Palafrugell | 6,047.87 mi (9,733.10 km) |
| University of California-Santa Barbara to Palamos | 6,050.22 mi (9,736.88 km) |
