| Federal Heights to Oswego (Illinois) | 880.24 mi (1,416.60 km) |
| Federal Heights to Oswego (New York) | 1,485.18 mi (2,390.16 km) |
| Federal Heights to Otsego (Minnesota) | 688.57 mi (1,108.14 km) |
| Federal Heights to Ottawa (Illinois) | 854.12 mi (1,374.57 km) |
| Federal Heights to Ottawa (Kansas) | 528.90 mi (851.18 km) |
| Federal Heights to Ottumwa (Iowa) | 666.58 mi (1,072.76 km) |
| Federal Heights to Overland (Missouri) | 786.58 mi (1,265.87 km) |
| Federal Heights to Overland Park (Kansas) | 555.44 mi (893.89 km) |
| Federal Heights to Overlea (Maryland) | 1,510.77 mi (2,431.35 km) |
| Federal Heights to Oviedo (Florida) | 1,558.31 mi (2,507.86 km) |
| Federal Heights to Owasso (Oklahoma) | 556.94 mi (896.32 km) |
| Federal Heights to Owatonna (Minnesota) | 671.18 mi (1,080.16 km) |
| Federal Heights to Owensboro (Kentucky) | 972.86 mi (1,565.67 km) |
| Federal Heights to Owings Mills (Maryland) | 1,495.80 mi (2,407.26 km) |
| Federal Heights to Owosso (Michigan) | 1,097.99 mi (1,767.05 km) |
