| Fredericksburg to Oswego (Illinois) | 619.55 mi (997.07 km) |
| Fredericksburg to Oswego (New York) | 359.70 mi (578.88 km) |
| Fredericksburg to Otsego (Minnesota) | 957.94 mi (1,541.66 km) |
| Fredericksburg to Ottawa (Illinois) | 637.06 mi (1,025.25 km) |
| Fredericksburg to Ottawa (Kansas) | 960.62 mi (1,545.97 km) |
| Fredericksburg to Ottumwa (Iowa) | 815.05 mi (1,311.69 km) |
| Fredericksburg to Overland (Missouri) | 696.54 mi (1,120.97 km) |
| Fredericksburg to Overland Park (Kansas) | 928.35 mi (1,494.04 km) |
| Fredericksburg to Overlea (Maryland) | 90.21 mi (145.18 km) |
| Fredericksburg to Oviedo (Florida) | 699.26 mi (1,125.35 km) |
| Fredericksburg to Owasso (Oklahoma) | 1,016.12 mi (1,635.28 km) |
| Fredericksburg to Owatonna (Minnesota) | 909.09 mi (1,463.04 km) |
| Fredericksburg to Owensboro (Kentucky) | 525.21 mi (845.24 km) |
| Fredericksburg to Owings Mills (Maryland) | 85.49 mi (137.58 km) |
| Fredericksburg to Owosso (Michigan) | 477.46 mi (768.39 km) |
