| Heilbronn to Oswego (Illinois) | 4,420.01 mi (7,113.32 km) |
| Heilbronn to Oswego (New York) | 3,885.95 mi (6,253.84 km) |
| Heilbronn to Otsego (Minnesota) | 4,436.49 mi (7,139.84 km) |
| Heilbronn to Ottawa (Illinois) | 4,453.94 mi (7,167.92 km) |
| Heilbronn to Ottawa (Kansas) | 4,827.79 mi (7,769.58 km) |
| Heilbronn to Ottumwa (Iowa) | 4,602.58 mi (7,407.13 km) |
| Heilbronn to Overland (Missouri) | 4,641.39 mi (7,469.60 km) |
| Heilbronn to Overland Park (Kansas) | 4,792.14 mi (7,712.21 km) |
| Heilbronn to Overlea (Maryland) | 4,065.70 mi (6,543.11 km) |
| Heilbronn to Oviedo (Florida) | 4,765.94 mi (7,670.04 km) |
| Heilbronn to Owasso (Oklahoma) | 4,967.28 mi (7,994.07 km) |
| Heilbronn to Owatonna (Minnesota) | 4,480.39 mi (7,210.50 km) |
| Heilbronn to Owensboro (Kentucky) | 4,562.81 mi (7,343.14 km) |
| Heilbronn to Owings Mills (Maryland) | 4,074.72 mi (6,557.63 km) |
| Heilbronn to Owosso (Michigan) | 4,202.39 mi (6,763.09 km) |
