| Pianiga to Olympia Heights (Florida) | 5,080.57 mi (8,176.39 km) |
| Pianiga to Omaha (Nebraska) | 4,984.79 mi (8,022.25 km) |
| Pianiga to On Top of the World Designated Place (Florida) | 5,008.87 mi (8,061.00 km) |
| Pianiga to Onalaska (Wisconsin) | 4,681.52 mi (7,534.19 km) |
| Pianiga to Oneida (New York) | 4,110.70 mi (6,615.53 km) |
| Pianiga to Oneonta (New York) | 4,111.13 mi (6,616.23 km) |
| Pianiga to Ontario (California) | 6,106.13 mi (9,826.87 km) |
| Pianiga to Ontario (Oregon) | 5,509.73 mi (8,867.06 km) |
| Pianiga to Opa-locka (Florida) | 5,068.48 mi (8,156.93 km) |
| Pianiga to Opelika (Alabama) | 4,975.86 mi (8,007.87 km) |
| Pianiga to Opelousas (Louisiana) | 5,360.88 mi (8,627.50 km) |
| Pianiga to Orange (California) | 6,126.50 mi (9,859.64 km) |
| Pianiga to Orange (Texas) | 5,450.28 mi (8,771.37 km) |
| Pianiga to Orange City (Florida) | 4,972.55 mi (8,002.54 km) |
| Pianiga to Orangeburg (South Carolina) | 4,743.65 mi (7,634.16 km) |
