| Gilroy to Olivares | 5,848.54 mi (9,412.31 km) |
| Gilroy to Olivenza | 5,750.77 mi (9,254.96 km) |
| Gilroy to Olot | 5,930.70 mi (9,544.54 km) |
| Gilroy to Onate | 5,717.33 mi (9,201.15 km) |
| Gilroy to Onda | 5,947.45 mi (9,571.49 km) |
| Gilroy to Onteniente | 5,992.31 mi (9,643.69 km) |
| Gilroy to Orihuela | 6,016.67 mi (9,682.89 km) |
| Gilroy to Osuna | 5,898.90 mi (9,493.36 km) |
| Gilroy to Ourense | 5,550.68 mi (8,932.96 km) |
| Gilroy to Oviedo | 5,577.93 mi (8,976.81 km) |
| Gilroy to Paiporta | 5,968.77 mi (9,605.81 km) |
| Gilroy to Pajara | 5,922.65 mi (9,531.58 km) |
| Gilroy to Palafolls | 5,966.17 mi (9,601.62 km) |
| Gilroy to Palafrugell | 5,967.28 mi (9,603.41 km) |
| Gilroy to Palamos | 5,969.85 mi (9,607.55 km) |
