| Front Royal to Odessa (Texas) | 1,439.90 mi (2,317.29 km) |
| Front Royal to Ogden (Utah) | 1,781.95 mi (2,867.77 km) |
| Front Royal to Oildale (California) | 2,242.83 mi (3,609.49 km) |
| Front Royal to Ojus (Florida) | 903.43 mi (1,453.93 km) |
| Front Royal to Okemos (Michigan) | 417.31 mi (671.60 km) |
| Front Royal to Oklahoma City (Oklahoma) | 1,088.12 mi (1,751.16 km) |
| Front Royal to Okmulgee (Oklahoma) | 1,004.57 mi (1,616.70 km) |
| Front Royal to Olathe (Kansas) | 893.25 mi (1,437.55 km) |
| Front Royal to Old Jamestown (Missouri) | 650.39 mi (1,046.70 km) |
| Front Royal to Oldsmar (Florida) | 794.34 mi (1,278.37 km) |
| Front Royal to Olean (New York) | 218.44 mi (351.55 km) |
| Front Royal to Olive Branch (Mississippi) | 699.21 mi (1,125.26 km) |
| Front Royal to Olivehurst (California) | 2,306.12 mi (3,711.34 km) |
| Front Royal to Olney (Maryland) | 61.61 mi (99.15 km) |
| Front Royal to Olympia (Washington) | 2,295.19 mi (3,693.75 km) |
