| Pacific Grove to Olivares | 5,880.61 mi (9,463.92 km) |
| Pacific Grove to Olivenza | 5,782.88 mi (9,306.64 km) |
| Pacific Grove to Olot | 5,963.31 mi (9,597.01 km) |
| Pacific Grove to Onate | 5,749.86 mi (9,253.50 km) |
| Pacific Grove to Onda | 5,979.92 mi (9,623.76 km) |
| Pacific Grove to Onteniente | 6,024.73 mi (9,695.86 km) |
| Pacific Grove to Orihuela | 6,049.04 mi (9,734.99 km) |
| Pacific Grove to Osuna | 5,931.02 mi (9,545.05 km) |
| Pacific Grove to Ourense | 5,583.00 mi (8,984.98 km) |
| Pacific Grove to Oviedo | 5,610.38 mi (9,029.03 km) |
| Pacific Grove to Paiporta | 6,001.22 mi (9,658.04 km) |
| Pacific Grove to Pajara | 5,952.91 mi (9,580.29 km) |
| Pacific Grove to Palafolls | 5,998.77 mi (9,654.09 km) |
| Pacific Grove to Palafrugell | 5,999.89 mi (9,655.89 km) |
| Pacific Grove to Palamos | 6,002.46 mi (9,660.02 km) |
