| Valparaiso to Oskaloosa (Iowa) | 290.01 mi (466.72 km) |
| Valparaiso to Oswego (Illinois) | 67.99 mi (109.42 km) |
| Valparaiso to Oswego (New York) | 554.32 mi (892.09 km) |
| Valparaiso to Otsego (Minnesota) | 420.90 mi (677.37 km) |
| Valparaiso to Ottawa (Illinois) | 92.38 mi (148.68 km) |
| Valparaiso to Ottawa (Kansas) | 477.55 mi (768.54 km) |
| Valparaiso to Ottumwa (Iowa) | 280.61 mi (451.59 km) |
| Valparaiso to Overland (Missouri) | 260.16 mi (418.69 km) |
| Valparaiso to Overland Park (Kansas) | 440.86 mi (709.50 km) |
| Valparaiso to Overlea (Maryland) | 572.56 mi (921.45 km) |
| Valparaiso to Oviedo (Florida) | 945.20 mi (1,521.16 km) |
| Valparaiso to Owasso (Oklahoma) | 592.46 mi (953.48 km) |
| Valparaiso to Owatonna (Minnesota) | 361.54 mi (581.84 km) |
| Valparaiso to Owensboro (Kentucky) | 257.11 mi (413.77 km) |
| Valparaiso to Owings Mills (Maryland) | 557.65 mi (897.46 km) |
