| Baar to Olympia Heights (Florida) | 4,884.15 mi (7,860.28 km) |
| Baar to Omaha (Nebraska) | 4,779.90 mi (7,692.51 km) |
| Baar to On Top of the World Designated Place (Florida) | 4,808.86 mi (7,739.11 km) |
| Baar to Onalaska (Wisconsin) | 4,476.48 mi (7,204.20 km) |
| Baar to Oneida (New York) | 3,906.05 mi (6,286.18 km) |
| Baar to Oneonta (New York) | 3,906.79 mi (6,287.37 km) |
| Baar to Ontario (California) | 5,906.12 mi (9,504.99 km) |
| Baar to Ontario (Oregon) | 5,314.76 mi (8,553.28 km) |
| Baar to Opa-locka (Florida) | 4,871.98 mi (7,840.70 km) |
| Baar to Opelika (Alabama) | 4,772.68 mi (7,680.89 km) |
| Baar to Opelousas (Louisiana) | 5,156.52 mi (8,298.62 km) |
| Baar to Orange (California) | 5,926.50 mi (9,537.79 km) |
| Baar to Orange (Texas) | 5,245.65 mi (8,442.06 km) |
| Baar to Orange City (Florida) | 4,773.17 mi (7,681.68 km) |
| Baar to Orangeburg (South Carolina) | 4,541.71 mi (7,309.17 km) |
