| North Liberty to Oswego (Illinois) | 168.90 mi (271.82 km) |
| North Liberty to Oswego (New York) | 776.44 mi (1,249.56 km) |
| North Liberty to Otsego (Minnesota) | 263.34 mi (423.80 km) |
| North Liberty to Ottawa (Illinois) | 146.48 mi (235.74 km) |
| North Liberty to Ottawa (Kansas) | 290.42 mi (467.38 km) |
| North Liberty to Ottumwa (Iowa) | 65.24 mi (105.00 km) |
| North Liberty to Overland (Missouri) | 220.50 mi (354.86 km) |
| North Liberty to Overland Park (Kansas) | 255.34 mi (410.93 km) |
| North Liberty to Overlea (Maryland) | 808.12 mi (1,300.54 km) |
| North Liberty to Oviedo (Florida) | 1,076.92 mi (1,733.13 km) |
| North Liberty to Owasso (Oklahoma) | 439.66 mi (707.57 km) |
| North Liberty to Owatonna (Minnesota) | 181.72 mi (292.45 km) |
| North Liberty to Owensboro (Kentucky) | 364.37 mi (586.40 km) |
| North Liberty to Owings Mills (Maryland) | 793.17 mi (1,276.48 km) |
| North Liberty to Owosso (Michigan) | 389.13 mi (626.24 km) |
