| Grad to Oakley (California) | 6,024.02 mi (9,694.72 km) |
| Grad to Oakton (Virginia) | 4,476.13 mi (7,203.63 km) |
| Grad to Oakville (Missouri) | 5,005.06 mi (8,054.87 km) |
| Grad to Oatfield (Oregon) | 5,589.71 mi (8,995.77 km) |
| Grad to Ocala (Florida) | 5,137.68 mi (8,268.30 km) |
| Grad to Ocean Acres (New Jersey) | 4,314.69 mi (6,943.83 km) |
| Grad to Ocean City (New Jersey) | 4,348.82 mi (6,998.74 km) |
| Grad to Ocean Pines (Maryland) | 4,410.59 mi (7,098.16 km) |
| Grad to Ocean Pointe (Hawaii) | 7,716.43 mi (12,418.39 km) |
| Grad to Ocean Springs (Mississippi) | 5,351.24 mi (8,611.99 km) |
| Grad to Oceanside (California) | 6,195.11 mi (9,970.06 km) |
| Grad to Oceanside (New York) | 4,249.51 mi (6,838.93 km) |
| Grad to Ocoee (Florida) | 5,140.73 mi (8,273.21 km) |
| Grad to Oconomowoc (Wisconsin) | 4,708.95 mi (7,578.32 km) |
| Grad to Odenton (Maryland) | 4,443.40 mi (7,150.97 km) |
