| Heath to Oswego (Illinois) | 328.68 mi (528.95 km) |
| Heath to Oswego (New York) | 386.99 mi (622.81 km) |
| Heath to Otsego (Minnesota) | 672.82 mi (1,082.80 km) |
| Heath to Ottawa (Illinois) | 346.82 mi (558.16 km) |
| Heath to Ottawa (Kansas) | 691.86 mi (1,113.45 km) |
| Heath to Ottumwa (Iowa) | 528.22 mi (850.09 km) |
| Heath to Overland (Missouri) | 433.16 mi (697.10 km) |
| Heath to Overland Park (Kansas) | 657.46 mi (1,058.08 km) |
| Heath to Overlea (Maryland) | 318.16 mi (512.03 km) |
| Heath to Oviedo (Florida) | 788.55 mi (1,269.05 km) |
| Heath to Owasso (Oklahoma) | 770.97 mi (1,240.76 km) |
| Heath to Owatonna (Minnesota) | 620.08 mi (997.92 km) |
| Heath to Owensboro (Kentucky) | 296.18 mi (476.65 km) |
| Heath to Owings Mills (Maryland) | 303.19 mi (487.94 km) |
| Heath to Owosso (Michigan) | 224.05 mi (360.58 km) |
