| Peso da Regua to Oswego (Illinois) | 4,007.32 mi (6,449.15 km) |
| Peso da Regua to Oswego (New York) | 3,412.03 mi (5,491.13 km) |
| Peso da Regua to Otsego (Minnesota) | 4,118.12 mi (6,627.47 km) |
| Peso da Regua to Ottawa (Illinois) | 4,040.43 mi (6,502.44 km) |
| Peso da Regua to Ottawa (Kansas) | 4,430.43 mi (7,130.09 km) |
| Peso da Regua to Ottumwa (Iowa) | 4,213.63 mi (6,781.18 km) |
| Peso da Regua to Overland (Missouri) | 4,203.52 mi (6,764.92 km) |
| Peso da Regua to Overland Park (Kansas) | 4,393.56 mi (7,070.75 km) |
| Peso da Regua to Overlea (Maryland) | 3,527.86 mi (5,677.54 km) |
| Peso da Regua to Oviedo (Florida) | 4,126.00 mi (6,640.16 km) |
| Peso da Regua to Owasso (Oklahoma) | 4,545.27 mi (7,314.91 km) |
| Peso da Regua to Owatonna (Minnesota) | 4,141.72 mi (6,665.45 km) |
| Peso da Regua to Owensboro (Kentucky) | 4,085.27 mi (6,574.61 km) |
| Peso da Regua to Owings Mills (Maryland) | 3,539.63 mi (5,696.49 km) |
| Peso da Regua to Owosso (Michigan) | 3,777.00 mi (6,078.50 km) |
