| Heath to Odessa (Texas) | 1,243.46 mi (2,001.16 km) |
| Heath to Ogden (Utah) | 1,543.18 mi (2,483.51 km) |
| Heath to Oildale (California) | 2,010.24 mi (3,235.17 km) |
| Heath to Ojus (Florida) | 980.83 mi (1,578.50 km) |
| Heath to Okemos (Michigan) | 211.62 mi (340.56 km) |
| Heath to Oklahoma City (Oklahoma) | 880.19 mi (1,416.53 km) |
| Heath to Okmulgee (Oklahoma) | 799.60 mi (1,286.83 km) |
| Heath to Olathe (Kansas) | 664.54 mi (1,069.47 km) |
| Heath to Old Jamestown (Missouri) | 426.35 mi (686.15 km) |
| Heath to Oldsmar (Florida) | 827.39 mi (1,331.56 km) |
| Heath to Olean (New York) | 252.64 mi (406.59 km) |
| Heath to Olive Branch (Mississippi) | 535.55 mi (861.89 km) |
| Heath to Olivehurst (California) | 2,067.97 mi (3,328.07 km) |
| Heath to Olney (Maryland) | 292.24 mi (470.32 km) |
| Heath to Olympia (Washington) | 2,059.14 mi (3,313.87 km) |
