| Parker to Olivares | 5,034.36 mi (8,102.01 km) |
| Parker to Olivenza | 4,940.51 mi (7,950.98 km) |
| Parker to Olot | 5,187.31 mi (8,348.17 km) |
| Parker to Onate | 4,956.26 mi (7,976.33 km) |
| Parker to Onda | 5,175.35 mi (8,328.92 km) |
| Parker to Onteniente | 5,211.13 mi (8,386.51 km) |
| Parker to Orihuela | 5,229.21 mi (8,415.60 km) |
| Parker to Osuna | 5,087.93 mi (8,188.23 km) |
| Parker to Ourense | 4,761.24 mi (7,662.48 km) |
| Parker to Oviedo | 4,804.05 mi (7,731.37 km) |
| Parker to Paiporta | 5,192.42 mi (8,356.39 km) |
| Parker to Pajara | 5,036.67 mi (8,105.73 km) |
| Parker to Palafolls | 5,220.53 mi (8,401.64 km) |
| Parker to Palafrugell | 5,225.49 mi (8,409.61 km) |
| Parker to Palamos | 5,227.38 mi (8,412.66 km) |
