| League City to Oswego (Illinois) | 923.80 mi (1,486.71 km) |
| League City to Oswego (New York) | 1,408.03 mi (2,266.00 km) |
| League City to Otsego (Minnesota) | 1,093.20 mi (1,759.34 km) |
| League City to Ottawa (Illinois) | 892.40 mi (1,436.17 km) |
| League City to Ottawa (Kansas) | 629.65 mi (1,013.33 km) |
| League City to Ottumwa (Iowa) | 811.00 mi (1,305.17 km) |
| League City to Overland (Missouri) | 691.40 mi (1,112.70 km) |
| League City to Overland Park (Kansas) | 649.89 mi (1,045.90 km) |
| League City to Overlea (Maryland) | 1,256.37 mi (2,021.93 km) |
| League City to Oviedo (Florida) | 842.14 mi (1,355.29 km) |
| League City to Owasso (Oklahoma) | 471.72 mi (759.16 km) |
| League City to Owatonna (Minnesota) | 1,014.28 mi (1,632.33 km) |
| League City to Owensboro (Kentucky) | 732.77 mi (1,179.28 km) |
| League City to Owings Mills (Maryland) | 1,244.91 mi (2,003.50 km) |
| League City to Owosso (Michigan) | 1,112.36 mi (1,790.18 km) |
