| Oxon Hill to Romeoville (Illinois) | 618.57 mi (995.50 km) |
| Oxon Hill to Romulus (Michigan) | 411.08 mi (661.57 km) |
| Oxon Hill to Ronkonkoma (New York) | 247.18 mi (397.80 km) |
| Oxon Hill to Roosevelt (New York) | 222.46 mi (358.02 km) |
| Oxon Hill to Rosamond (California) | 2,277.68 mi (3,665.57 km) |
| Oxon Hill to Rosaryville (Maryland) | 8.00 mi (12.88 km) |
| Oxon Hill to Roscoe (Illinois) | 678.74 mi (1,092.32 km) |
| Oxon Hill to Rose Hill (Virginia) | 7.31 mi (11.77 km) |
| Oxon Hill to Roseburg (Oregon) | 2,406.44 mi (3,872.79 km) |
| Oxon Hill to Rosedale (California) | 2,318.92 mi (3,731.94 km) |
| Oxon Hill to Rosedale (Maryland) | 44.76 mi (72.03 km) |
| Oxon Hill to Roselle (Illinois) | 624.52 mi (1,005.06 km) |
| Oxon Hill to Roselle (New Jersey) | 193.31 mi (311.11 km) |
| Oxon Hill to Roselle Park (New Jersey) | 193.62 mi (311.60 km) |
| Oxon Hill to Rosemead (California) | 2,289.16 mi (3,684.05 km) |
