| Heerenveen to Oswego (Illinois) | 4,158.17 mi (6,691.93 km) |
| Heerenveen to Oswego (New York) | 3,638.74 mi (5,855.98 km) |
| Heerenveen to Otsego (Minnesota) | 4,161.20 mi (6,696.80 km) |
| Heerenveen to Ottawa (Illinois) | 4,192.02 mi (6,746.41 km) |
| Heerenveen to Ottawa (Kansas) | 4,561.25 mi (7,340.62 km) |
| Heerenveen to Ottumwa (Iowa) | 4,336.01 mi (6,978.14 km) |
| Heerenveen to Overland (Missouri) | 4,382.30 mi (7,052.63 km) |
| Heerenveen to Overland Park (Kansas) | 4,525.98 mi (7,283.86 km) |
| Heerenveen to Overlea (Maryland) | 3,829.91 mi (6,163.65 km) |
| Heerenveen to Oviedo (Florida) | 4,548.97 mi (7,320.85 km) |
| Heerenveen to Owasso (Oklahoma) | 4,703.77 mi (7,569.99 km) |
| Heerenveen to Owatonna (Minnesota) | 4,207.47 mi (6,771.27 km) |
| Heerenveen to Owensboro (Kentucky) | 4,311.18 mi (6,938.18 km) |
| Heerenveen to Owings Mills (Maryland) | 3,838.26 mi (6,177.09 km) |
| Heerenveen to Owosso (Michigan) | 3,944.05 mi (6,347.34 km) |
