| Piedras Blancas to Orangevale (California) | 5,463.59 mi (8,792.80 km) |
| Piedras Blancas to Orchards (Washington) | 5,149.25 mi (8,286.92 km) |
| Piedras Blancas to Orcutt (California) | 5,630.66 mi (9,061.67 km) |
| Piedras Blancas to Oregon (Ohio) | 3,790.40 mi (6,100.06 km) |
| Piedras Blancas to Oregon (Wisconsin) | 4,006.18 mi (6,447.32 km) |
| Piedras Blancas to Oregon City (Oregon) | 5,169.03 mi (8,318.74 km) |
| Piedras Blancas to Orem (Utah) | 5,029.11 mi (8,093.58 km) |
| Piedras Blancas to Orinda (California) | 5,539.80 mi (8,915.44 km) |
| Piedras Blancas to Orland Park (Illinois) | 3,988.03 mi (6,418.11 km) |
| Piedras Blancas to Orlando (Florida) | 4,193.17 mi (6,748.25 km) |
| Piedras Blancas to Ormond Beach (Florida) | 4,148.11 mi (6,675.74 km) |
| Piedras Blancas to Oro Valley (Arizona) | 5,376.25 mi (8,652.24 km) |
| Piedras Blancas to Oroville (California) | 5,434.06 mi (8,745.27 km) |
| Piedras Blancas to Oshkosh (Wisconsin) | 3,931.26 mi (6,326.75 km) |
| Piedras Blancas to Oskaloosa (Iowa) | 4,207.37 mi (6,771.11 km) |
