| Piera to Odessa (Texas) | 5,440.28 mi (8,755.28 km) |
| Piera to Ogden (Utah) | 5,379.19 mi (8,656.97 km) |
| Piera to Oildale (California) | 5,932.76 mi (9,547.85 km) |
| Piera to Ojus (Florida) | 4,654.38 mi (7,490.49 km) |
| Piera to Okemos (Michigan) | 4,207.37 mi (6,771.11 km) |
| Piera to Oklahoma City (Oklahoma) | 5,068.11 mi (8,156.34 km) |
| Piera to Okmulgee (Oklahoma) | 4,996.09 mi (8,040.44 km) |
| Piera to Olathe (Kansas) | 4,805.16 mi (7,733.16 km) |
| Piera to Old Jamestown (Missouri) | 4,610.71 mi (7,420.22 km) |
| Piera to Oldsmar (Florida) | 4,692.43 mi (7,551.73 km) |
| Piera to Olean (New York) | 3,964.71 mi (6,380.59 km) |
| Piera to Olive Branch (Mississippi) | 4,748.77 mi (7,642.40 km) |
| Piera to Olivehurst (California) | 5,826.80 mi (9,377.33 km) |
| Piera to Olney (Maryland) | 4,002.03 mi (6,440.65 km) |
| Piera to Olympia (Washington) | 5,441.07 mi (8,756.55 km) |
