| Dale City to Oakley (California) | 2,380.59 mi (3,831.19 km) |
| Dale City to Oakton (Virginia) | 16.85 mi (27.12 km) |
| Dale City to Oakville (Missouri) | 700.63 mi (1,127.56 km) |
| Dale City to Oatfield (Oregon) | 2,336.86 mi (3,760.82 km) |
| Dale City to Ocala (Florida) | 709.62 mi (1,142.02 km) |
| Dale City to Ocean Acres (New Jersey) | 180.75 mi (290.88 km) |
| Dale City to Ocean City (New Jersey) | 153.53 mi (247.08 km) |
| Dale City to Ocean Pines (Maryland) | 120.15 mi (193.37 km) |
| Dale City to Ocean Pointe (Hawaii) | 4,824.81 mi (7,764.79 km) |
| Dale City to Ocean Springs (Mississippi) | 863.66 mi (1,389.93 km) |
| Dale City to Oceanside (California) | 2,248.79 mi (3,619.07 km) |
| Dale City to Oceanside (New York) | 240.33 mi (386.77 km) |
| Dale City to Ocoee (Florida) | 735.91 mi (1,184.34 km) |
| Dale City to Oconomowoc (Wisconsin) | 657.95 mi (1,058.87 km) |
| Dale City to Odenton (Maryland) | 45.48 mi (73.19 km) |
