| Stanford to Olivares | 5,851.34 mi (9,416.82 km) |
| Stanford to Olivenza | 5,753.27 mi (9,258.99 km) |
| Stanford to Olot | 5,927.39 mi (9,539.21 km) |
| Stanford to Onate | 5,715.58 mi (9,198.34 km) |
| Stanford to Onda | 5,946.42 mi (9,569.84 km) |
| Stanford to Onteniente | 5,992.02 mi (9,643.22 km) |
| Stanford to Orihuela | 6,016.90 mi (9,683.27 km) |
| Stanford to Osuna | 5,901.36 mi (9,497.33 km) |
| Stanford to Ourense | 5,551.44 mi (8,934.18 km) |
| Stanford to Oviedo | 5,577.35 mi (8,975.87 km) |
| Stanford to Paiporta | 5,968.09 mi (9,604.71 km) |
| Stanford to Pajara | 5,933.80 mi (9,549.53 km) |
| Stanford to Palafolls | 5,963.00 mi (9,596.52 km) |
| Stanford to Palafrugell | 5,963.81 mi (9,597.83 km) |
| Stanford to Palamos | 5,966.43 mi (9,602.05 km) |
