| Oxon Hill to Oskaloosa (Iowa) | 845.39 mi (1,360.52 km) |
| Oxon Hill to Oswego (Illinois) | 631.34 mi (1,016.04 km) |
| Oxon Hill to Oswego (New York) | 323.13 mi (520.03 km) |
| Oxon Hill to Otsego (Minnesota) | 961.95 mi (1,548.11 km) |
| Oxon Hill to Ottawa (Illinois) | 650.73 mi (1,047.25 km) |
| Oxon Hill to Ottawa (Kansas) | 984.81 mi (1,584.90 km) |
| Oxon Hill to Ottumwa (Iowa) | 831.90 mi (1,338.81 km) |
| Oxon Hill to Overland (Missouri) | 721.31 mi (1,160.83 km) |
| Oxon Hill to Overland Park (Kansas) | 951.88 mi (1,531.90 km) |
| Oxon Hill to Overlea (Maryland) | 46.68 mi (75.12 km) |
| Oxon Hill to Oviedo (Florida) | 740.41 mi (1,191.58 km) |
| Oxon Hill to Owasso (Oklahoma) | 1,045.61 mi (1,682.74 km) |
| Oxon Hill to Owatonna (Minnesota) | 916.31 mi (1,474.66 km) |
| Oxon Hill to Owensboro (Kentucky) | 554.56 mi (892.48 km) |
| Oxon Hill to Owings Mills (Maryland) | 44.14 mi (71.03 km) |
