| Parla to Olympia Heights (Florida) | 4,414.09 mi (7,103.80 km) |
| Parla to Omaha (Nebraska) | 4,575.48 mi (7,363.52 km) |
| Parla to On Top of the World Designated Place (Florida) | 4,383.70 mi (7,054.88 km) |
| Parla to Onalaska (Wisconsin) | 4,270.43 mi (6,872.59 km) |
| Parla to Oneida (New York) | 3,598.60 mi (5,791.39 km) |
| Parla to Oneonta (New York) | 3,587.76 mi (5,773.94 km) |
| Parla to Ontario (California) | 5,798.05 mi (9,331.06 km) |
| Parla to Ontario (Oregon) | 5,288.75 mi (8,511.42 km) |
| Parla to Opa-locka (Florida) | 4,402.97 mi (7,085.89 km) |
| Parla to Opelika (Alabama) | 4,403.96 mi (7,087.50 km) |
| Parla to Opelousas (Louisiana) | 4,813.36 mi (7,746.36 km) |
| Parla to Orange (California) | 5,818.31 mi (9,363.67 km) |
| Parla to Orange (Texas) | 4,910.81 mi (7,903.19 km) |
| Parla to Orange City (Florida) | 4,339.66 mi (6,984.01 km) |
| Parla to Orangeburg (South Carolina) | 4,151.72 mi (6,681.54 km) |
