| Boville Ernica to Olympia Heights (Florida) | 5,243.53 mi (8,438.65 km) |
| Boville Ernica to Omaha (Nebraska) | 5,215.55 mi (8,393.61 km) |
| Boville Ernica to On Top of the World Designated Place (Florida) | 5,186.09 mi (8,346.21 km) |
| Boville Ernica to Onalaska (Wisconsin) | 4,910.91 mi (7,903.35 km) |
| Boville Ernica to Oneida (New York) | 4,316.36 mi (6,946.50 km) |
| Boville Ernica to Oneonta (New York) | 4,314.04 mi (6,942.78 km) |
| Boville Ernica to Ontario (California) | 6,356.24 mi (10,229.38 km) |
| Boville Ernica to Ontario (Oregon) | 5,768.70 mi (9,283.83 km) |
| Boville Ernica to Opa-locka (Florida) | 5,231.77 mi (8,419.72 km) |
| Boville Ernica to Opelika (Alabama) | 5,169.19 mi (8,319.01 km) |
| Boville Ernica to Opelousas (Louisiana) | 5,562.13 mi (8,951.38 km) |
| Boville Ernica to Orange (California) | 6,376.64 mi (10,262.21 km) |
| Boville Ernica to Orange (Texas) | 5,653.92 mi (9,099.11 km) |
| Boville Ernica to Orange City (Florida) | 5,147.09 mi (8,283.44 km) |
| Boville Ernica to Orangeburg (South Carolina) | 4,930.39 mi (7,934.70 km) |
