| Piedras Blancas to Odessa (Texas) | 5,030.06 mi (8,095.10 km) |
| Piedras Blancas to Ogden (Utah) | 4,995.54 mi (8,039.54 km) |
| Piedras Blancas to Oildale (California) | 5,549.17 mi (8,930.53 km) |
| Piedras Blancas to Ojus (Florida) | 4,240.08 mi (6,823.76 km) |
| Piedras Blancas to Okemos (Michigan) | 3,797.53 mi (6,111.54 km) |
| Piedras Blancas to Oklahoma City (Oklahoma) | 4,658.08 mi (7,496.46 km) |
| Piedras Blancas to Okmulgee (Oklahoma) | 4,585.14 mi (7,379.07 km) |
| Piedras Blancas to Olathe (Kansas) | 4,397.31 mi (7,076.78 km) |
| Piedras Blancas to Old Jamestown (Missouri) | 4,199.58 mi (6,758.57 km) |
| Piedras Blancas to Oldsmar (Florida) | 4,275.82 mi (6,881.26 km) |
| Piedras Blancas to Olean (New York) | 3,550.99 mi (5,714.77 km) |
| Piedras Blancas to Olive Branch (Mississippi) | 4,333.78 mi (6,974.55 km) |
| Piedras Blancas to Olivehurst (California) | 5,455.47 mi (8,779.74 km) |
| Piedras Blancas to Olney (Maryland) | 3,585.51 mi (5,770.32 km) |
| Piedras Blancas to Olympia (Washington) | 5,091.83 mi (8,194.51 km) |
