| Thatto Heath to Oakley (California) | 5,147.70 mi (8,284.42 km) |
| Thatto Heath to Oakton (Virginia) | 3,531.77 mi (5,683.83 km) |
| Thatto Heath to Oakville (Missouri) | 4,057.31 mi (6,529.61 km) |
| Thatto Heath to Oatfield (Oregon) | 4,744.02 mi (7,634.76 km) |
| Thatto Heath to Ocala (Florida) | 4,203.75 mi (6,765.28 km) |
| Thatto Heath to Ocean Acres (New Jersey) | 3,372.15 mi (5,426.96 km) |
| Thatto Heath to Ocean City (New Jersey) | 3,406.73 mi (5,482.61 km) |
| Thatto Heath to Ocean Pines (Maryland) | 3,469.44 mi (5,583.52 km) |
| Thatto Heath to Ocean Pointe (Hawaii) | 7,064.81 mi (11,369.71 km) |
| Thatto Heath to Ocean Springs (Mississippi) | 4,405.81 mi (7,090.46 km) |
| Thatto Heath to Oceanside (California) | 5,287.67 mi (8,509.68 km) |
| Thatto Heath to Oceanside (New York) | 3,306.17 mi (5,320.77 km) |
| Thatto Heath to Ocoee (Florida) | 4,209.43 mi (6,774.42 km) |
| Thatto Heath to Oconomowoc (Wisconsin) | 3,763.89 mi (6,057.40 km) |
| Thatto Heath to Odenton (Maryland) | 3,499.38 mi (5,631.71 km) |
