| Valley Center to Olivares | 5,836.29 mi (9,392.60 km) |
| Valley Center to Olivenza | 5,741.59 mi (9,240.19 km) |
| Valley Center to Olot | 5,969.83 mi (9,607.51 km) |
| Valley Center to Onate | 5,744.23 mi (9,244.45 km) |
| Valley Center to Onda | 5,967.16 mi (9,603.22 km) |
| Valley Center to Onteniente | 6,005.60 mi (9,665.08 km) |
| Valley Center to Orihuela | 6,025.38 mi (9,696.91 km) |
| Valley Center to Osuna | 5,889.30 mi (9,477.92 km) |
| Valley Center to Ourense | 5,557.21 mi (8,943.47 km) |
| Valley Center to Oviedo | 5,595.71 mi (9,005.42 km) |
| Valley Center to Paiporta | 5,985.50 mi (9,632.73 km) |
| Valley Center to Pajara | 5,838.95 mi (9,396.88 km) |
| Valley Center to Palafolls | 6,003.91 mi (9,662.36 km) |
| Valley Center to Palafrugell | 6,007.53 mi (9,668.19 km) |
| Valley Center to Palamos | 6,009.67 mi (9,671.63 km) |
