| Palm River-Clair Mel to Olivares | 4,363.54 mi (7,022.43 km) |
| Palm River-Clair Mel to Olivenza | 4,290.47 mi (6,904.85 km) |
| Palm River-Clair Mel to Olot | 4,705.10 mi (7,572.13 km) |
| Palm River-Clair Mel to Onate | 4,449.34 mi (7,160.53 km) |
| Palm River-Clair Mel to Onda | 4,616.54 mi (7,429.60 km) |
| Palm River-Clair Mel to Onteniente | 4,623.38 mi (7,440.61 km) |
| Palm River-Clair Mel to Orihuela | 4,621.76 mi (7,438.01 km) |
| Palm River-Clair Mel to Osuna | 4,422.47 mi (7,117.28 km) |
| Palm River-Clair Mel to Ourense | 4,192.25 mi (6,746.77 km) |
| Palm River-Clair Mel to Oviedo | 4,276.40 mi (6,882.19 km) |
| Palm River-Clair Mel to Paiporta | 4,620.07 mi (7,435.28 km) |
| Palm River-Clair Mel to Pajara | 4,099.03 mi (6,596.75 km) |
| Palm River-Clair Mel to Palafolls | 4,729.17 mi (7,610.87 km) |
| Palm River-Clair Mel to Palafrugell | 4,743.73 mi (7,634.29 km) |
| Palm River-Clair Mel to Palamos | 4,743.67 mi (7,634.20 km) |
