| Buford to Olympia Heights (Florida) | 619.76 mi (997.40 km) |
| Buford to Omaha (Nebraska) | 822.44 mi (1,323.58 km) |
| Buford to On Top of the World Designated Place (Florida) | 360.59 mi (580.31 km) |
| Buford to Onalaska (Wisconsin) | 777.56 mi (1,251.36 km) |
| Buford to Oneida (New York) | 764.17 mi (1,229.82 km) |
| Buford to Oneonta (New York) | 751.38 mi (1,209.22 km) |
| Buford to Ontario (California) | 1,914.91 mi (3,081.75 km) |
| Buford to Ontario (Oregon) | 1,881.76 mi (3,028.39 km) |
| Buford to Opa-locka (Florida) | 610.16 mi (981.95 km) |
| Buford to Opelika (Alabama) | 128.63 mi (207.01 km) |
| Buford to Opelousas (Louisiana) | 533.47 mi (858.53 km) |
| Buford to Orange (California) | 1,929.90 mi (3,105.88 km) |
| Buford to Orange (Texas) | 634.52 mi (1,021.17 km) |
| Buford to Orange City (Florida) | 391.92 mi (630.73 km) |
| Buford to Orangeburg (South Carolina) | 184.45 mi (296.84 km) |
