| Bombarral to Oswego (Illinois) | 4,009.64 mi (6,452.89 km) |
| Bombarral to Oswego (New York) | 3,407.92 mi (5,484.52 km) |
| Bombarral to Otsego (Minnesota) | 4,135.56 mi (6,655.54 km) |
| Bombarral to Ottawa (Illinois) | 4,042.38 mi (6,505.59 km) |
| Bombarral to Ottawa (Kansas) | 4,432.64 mi (7,133.65 km) |
| Bombarral to Ottumwa (Iowa) | 4,218.64 mi (6,789.25 km) |
| Bombarral to Overland (Missouri) | 4,200.17 mi (6,759.52 km) |
| Bombarral to Overland Park (Kansas) | 4,395.79 mi (7,074.34 km) |
| Bombarral to Overlea (Maryland) | 3,510.95 mi (5,650.32 km) |
| Bombarral to Oviedo (Florida) | 4,085.35 mi (6,574.73 km) |
| Bombarral to Owasso (Oklahoma) | 4,542.57 mi (7,310.56 km) |
| Bombarral to Owatonna (Minnesota) | 4,155.65 mi (6,687.88 km) |
| Bombarral to Owensboro (Kentucky) | 4,075.64 mi (6,559.10 km) |
| Bombarral to Owings Mills (Maryland) | 3,523.15 mi (5,669.97 km) |
| Bombarral to Owosso (Michigan) | 3,778.75 mi (6,081.30 km) |
