| Council Bluffs to Oswego (Illinois) | 390.19 mi (627.95 km) |
| Council Bluffs to Oswego (New York) | 997.66 mi (1,605.58 km) |
| Council Bluffs to Otsego (Minnesota) | 300.15 mi (483.04 km) |
| Council Bluffs to Ottawa (Illinois) | 364.69 mi (586.91 km) |
| Council Bluffs to Ottawa (Kansas) | 184.86 mi (297.51 km) |
| Council Bluffs to Ottumwa (Iowa) | 179.28 mi (288.53 km) |
| Council Bluffs to Overland (Missouri) | 339.16 mi (545.83 km) |
| Council Bluffs to Overland Park (Kansas) | 173.64 mi (279.45 km) |
| Council Bluffs to Overlea (Maryland) | 1,024.83 mi (1,649.31 km) |
| Council Bluffs to Oviedo (Florida) | 1,198.76 mi (1,929.21 km) |
| Council Bluffs to Owasso (Oklahoma) | 341.95 mi (550.32 km) |
| Council Bluffs to Owatonna (Minnesota) | 237.91 mi (382.89 km) |
| Council Bluffs to Owensboro (Kentucky) | 523.72 mi (842.85 km) |
| Council Bluffs to Owings Mills (Maryland) | 1,009.85 mi (1,625.20 km) |
| Council Bluffs to Owosso (Michigan) | 610.08 mi (981.83 km) |
