| Fredericksburg to Odessa (Texas) | 1,468.41 mi (2,363.17 km) |
| Fredericksburg to Ogden (Utah) | 1,830.40 mi (2,945.75 km) |
| Fredericksburg to Oildale (California) | 2,285.75 mi (3,678.55 km) |
| Fredericksburg to Ojus (Florida) | 866.92 mi (1,395.17 km) |
| Fredericksburg to Okemos (Michigan) | 474.17 mi (763.10 km) |
| Fredericksburg to Oklahoma City (Oklahoma) | 1,121.60 mi (1,805.05 km) |
| Fredericksburg to Okmulgee (Oklahoma) | 1,037.37 mi (1,669.48 km) |
| Fredericksburg to Olathe (Kansas) | 935.51 mi (1,505.56 km) |
| Fredericksburg to Old Jamestown (Missouri) | 691.77 mi (1,113.30 km) |
| Fredericksburg to Oldsmar (Florida) | 768.56 mi (1,236.88 km) |
| Fredericksburg to Olean (New York) | 266.07 mi (428.20 km) |
| Fredericksburg to Olive Branch (Mississippi) | 722.39 mi (1,162.58 km) |
| Fredericksburg to Olivehurst (California) | 2,353.58 mi (3,787.72 km) |
| Fredericksburg to Olney (Maryland) | 62.68 mi (100.88 km) |
| Fredericksburg to Olympia (Washington) | 2,349.20 mi (3,780.67 km) |
