| Front Royal to Oakley (California) | 2,332.32 mi (3,753.50 km) |
| Front Royal to Oakton (Virginia) | 47.50 mi (76.45 km) |
| Front Royal to Oakville (Missouri) | 654.88 mi (1,053.92 km) |
| Front Royal to Oatfield (Oregon) | 2,287.87 mi (3,681.97 km) |
| Front Royal to Ocala (Florida) | 710.57 mi (1,143.55 km) |
| Front Royal to Ocean Acres (New Jersey) | 216.08 mi (347.74 km) |
| Front Royal to Ocean City (New Jersey) | 193.50 mi (311.41 km) |
| Front Royal to Ocean Pines (Maryland) | 167.96 mi (270.31 km) |
| Front Royal to Ocean Pointe (Hawaii) | 4,776.78 mi (7,687.48 km) |
| Front Royal to Ocean Springs (Mississippi) | 841.07 mi (1,353.57 km) |
| Front Royal to Oceanside (California) | 2,202.87 mi (3,545.18 km) |
| Front Royal to Oceanside (New York) | 268.67 mi (432.39 km) |
| Front Royal to Ocoee (Florida) | 740.15 mi (1,191.15 km) |
| Front Royal to Oconomowoc (Wisconsin) | 609.41 mi (980.75 km) |
| Front Royal to Odenton (Maryland) | 80.59 mi (129.70 km) |
