| Lake Elsinore to Oswego (Illinois) | 1,669.65 mi (2,687.04 km) |
| Lake Elsinore to Oswego (New York) | 2,281.46 mi (3,671.65 km) |
| Lake Elsinore to Otsego (Minnesota) | 1,487.96 mi (2,394.64 km) |
| Lake Elsinore to Ottawa (Illinois) | 1,640.90 mi (2,640.78 km) |
| Lake Elsinore to Ottawa (Kansas) | 1,273.92 mi (2,050.17 km) |
| Lake Elsinore to Ottumwa (Iowa) | 1,453.11 mi (2,338.56 km) |
| Lake Elsinore to Overland (Missouri) | 1,537.01 mi (2,473.58 km) |
| Lake Elsinore to Overland Park (Kansas) | 1,307.66 mi (2,104.48 km) |
| Lake Elsinore to Overlea (Maryland) | 2,280.33 mi (3,669.83 km) |
| Lake Elsinore to Oviedo (Florida) | 2,153.91 mi (3,466.38 km) |
| Lake Elsinore to Owasso (Oklahoma) | 1,227.86 mi (1,976.05 km) |
| Lake Elsinore to Owatonna (Minnesota) | 1,474.39 mi (2,372.80 km) |
| Lake Elsinore to Owensboro (Kentucky) | 1,710.60 mi (2,752.94 km) |
| Lake Elsinore to Owings Mills (Maryland) | 2,265.56 mi (3,646.06 km) |
| Lake Elsinore to Owosso (Michigan) | 1,893.97 mi (3,048.05 km) |
