| Los Barrios to Oswego (Illinois) | 4,292.21 mi (6,907.64 km) |
| Los Barrios to Oswego (New York) | 3,687.63 mi (5,934.67 km) |
| Los Barrios to Otsego (Minnesota) | 4,424.23 mi (7,120.11 km) |
| Los Barrios to Ottawa (Illinois) | 4,324.75 mi (6,960.01 km) |
| Los Barrios to Ottawa (Kansas) | 4,714.86 mi (7,587.83 km) |
| Los Barrios to Ottumwa (Iowa) | 4,502.37 mi (7,245.87 km) |
| Los Barrios to Overland (Missouri) | 4,479.55 mi (7,209.13 km) |
| Los Barrios to Overland Park (Kansas) | 4,678.04 mi (7,528.57 km) |
| Los Barrios to Overlea (Maryland) | 3,782.35 mi (6,087.11 km) |
| Los Barrios to Oviedo (Florida) | 4,334.94 mi (6,976.42 km) |
| Los Barrios to Owasso (Oklahoma) | 4,822.04 mi (7,760.33 km) |
| Los Barrios to Owatonna (Minnesota) | 4,443.13 mi (7,150.52 km) |
| Los Barrios to Owensboro (Kentucky) | 4,351.32 mi (7,002.77 km) |
| Los Barrios to Owings Mills (Maryland) | 3,794.85 mi (6,107.23 km) |
| Los Barrios to Owosso (Michigan) | 4,061.21 mi (6,535.88 km) |
