| Heemskerk to Oswego (Illinois) | 4,127.78 mi (6,643.02 km) |
| Heemskerk to Oswego (New York) | 3,603.31 mi (5,798.96 km) |
| Heemskerk to Otsego (Minnesota) | 4,136.54 mi (6,657.11 km) |
| Heemskerk to Ottawa (Illinois) | 4,161.67 mi (6,697.56 km) |
| Heemskerk to Ottawa (Kansas) | 4,532.76 mi (7,294.77 km) |
| Heemskerk to Ottumwa (Iowa) | 4,307.50 mi (6,932.24 km) |
| Heemskerk to Overland (Missouri) | 4,350.95 mi (7,002.17 km) |
| Heemskerk to Overland Park (Kansas) | 4,497.33 mi (7,237.76 km) |
| Heemskerk to Overlea (Maryland) | 3,791.32 mi (6,101.54 km) |
| Heemskerk to Oviedo (Florida) | 4,506.12 mi (7,251.90 km) |
| Heemskerk to Owasso (Oklahoma) | 4,674.11 mi (7,522.26 km) |
| Heemskerk to Owatonna (Minnesota) | 4,181.69 mi (6,729.78 km) |
| Heemskerk to Owensboro (Kentucky) | 4,277.29 mi (6,883.64 km) |
| Heemskerk to Owings Mills (Maryland) | 3,799.85 mi (6,115.26 km) |
| Heemskerk to Owosso (Michigan) | 3,912.34 mi (6,296.30 km) |
