| Brumath to Olympia Heights (Florida) | 4,817.70 mi (7,753.35 km) |
| Brumath to Omaha (Nebraska) | 4,684.83 mi (7,539.50 km) |
| Brumath to On Top of the World Designated Place (Florida) | 4,736.46 mi (7,622.59 km) |
| Brumath to Onalaska (Wisconsin) | 4,382.11 mi (7,052.32 km) |
| Brumath to Oneida (New York) | 3,822.35 mi (6,151.48 km) |
| Brumath to Oneonta (New York) | 3,824.30 mi (6,154.62 km) |
| Brumath to Ontario (California) | 5,802.83 mi (9,338.75 km) |
| Brumath to Ontario (Oregon) | 5,207.90 mi (8,381.31 km) |
| Brumath to Opa-locka (Florida) | 4,805.41 mi (7,733.56 km) |
| Brumath to Opelika (Alabama) | 4,693.47 mi (7,553.42 km) |
| Brumath to Opelousas (Louisiana) | 5,073.64 mi (8,165.24 km) |
| Brumath to Orange (California) | 5,823.19 mi (9,371.52 km) |
| Brumath to Orange (Texas) | 5,161.70 mi (8,306.95 km) |
| Brumath to Orange City (Florida) | 4,701.96 mi (7,567.07 km) |
| Brumath to Orangeburg (South Carolina) | 4,465.55 mi (7,186.61 km) |
