| Heath to Oakley (California) | 2,095.12 mi (3,371.77 km) |
| Heath to Oakton (Virginia) | 285.14 mi (458.89 km) |
| Heath to Oakville (Missouri) | 435.30 mi (700.55 km) |
| Heath to Oatfield (Oregon) | 2,050.00 mi (3,299.15 km) |
| Heath to Ocala (Florida) | 749.57 mi (1,206.32 km) |
| Heath to Ocean Acres (New Jersey) | 432.96 mi (696.78 km) |
| Heath to Ocean City (New Jersey) | 420.18 mi (676.22 km) |
| Heath to Ocean Pines (Maryland) | 406.40 mi (654.03 km) |
| Heath to Ocean Pointe (Hawaii) | 4,540.25 mi (7,306.83 km) |
| Heath to Ocean Springs (Mississippi) | 754.25 mi (1,213.85 km) |
| Heath to Oceanside (California) | 1,976.19 mi (3,180.37 km) |
| Heath to Oceanside (New York) | 465.49 mi (749.13 km) |
| Heath to Ocoee (Florida) | 792.42 mi (1,275.28 km) |
| Heath to Oconomowoc (Wisconsin) | 378.12 mi (608.53 km) |
| Heath to Odenton (Maryland) | 313.23 mi (504.10 km) |
