| Oak Hills to Oakley (California) | 524.81 mi (844.59 km) |
| Oak Hills to Oakton (Virginia) | 2,342.75 mi (3,770.30 km) |
| Oak Hills to Oakville (Missouri) | 1,727.11 mi (2,779.51 km) |
| Oak Hills to Oatfield (Oregon) | 14.89 mi (23.97 km) |
| Oak Hills to Ocala (Florida) | 2,469.51 mi (3,974.30 km) |
| Oak Hills to Ocean Acres (New Jersey) | 2,462.04 mi (3,962.28 km) |
| Oak Hills to Ocean City (New Jersey) | 2,460.99 mi (3,960.58 km) |
| Oak Hills to Ocean Pines (Maryland) | 2,462.15 mi (3,962.45 km) |
| Oak Hills to Ocean Pointe (Hawaii) | 2,595.22 mi (4,176.61 km) |
| Oak Hills to Ocean Springs (Mississippi) | 2,106.57 mi (3,390.20 km) |
| Oak Hills to Oceanside (California) | 900.20 mi (1,448.73 km) |
| Oak Hills to Oceanside (New York) | 2,466.66 mi (3,969.70 km) |
| Oak Hills to Ocoee (Florida) | 2,524.56 mi (4,062.88 km) |
| Oak Hills to Oconomowoc (Wisconsin) | 1,693.15 mi (2,724.86 km) |
| Oak Hills to Odenton (Maryland) | 2,366.61 mi (3,808.69 km) |
