| Povoa de Lanhoso to Oswego (Illinois) | 3,971.54 mi (6,391.57 km) |
| Povoa de Lanhoso to Oswego (New York) | 3,376.85 mi (5,434.51 km) |
| Povoa de Lanhoso to Otsego (Minnesota) | 4,081.34 mi (6,568.28 km) |
| Povoa de Lanhoso to Ottawa (Illinois) | 4,004.67 mi (6,444.90 km) |
| Povoa de Lanhoso to Ottawa (Kansas) | 4,394.63 mi (7,072.47 km) |
| Povoa de Lanhoso to Ottumwa (Iowa) | 4,177.63 mi (6,723.24 km) |
| Povoa de Lanhoso to Overland (Missouri) | 4,168.19 mi (6,708.06 km) |
| Povoa de Lanhoso to Overland Park (Kansas) | 4,357.75 mi (7,013.13 km) |
| Povoa de Lanhoso to Overlea (Maryland) | 3,493.94 mi (5,622.95 km) |
| Povoa de Lanhoso to Oviedo (Florida) | 4,095.04 mi (6,590.33 km) |
| Povoa de Lanhoso to Owasso (Oklahoma) | 4,509.86 mi (7,257.92 km) |
| Povoa de Lanhoso to Owatonna (Minnesota) | 4,105.13 mi (6,606.58 km) |
| Povoa de Lanhoso to Owensboro (Kentucky) | 4,050.53 mi (6,518.69 km) |
| Povoa de Lanhoso to Owings Mills (Maryland) | 3,505.66 mi (5,641.81 km) |
| Povoa de Lanhoso to Owosso (Michigan) | 3,741.29 mi (6,021.02 km) |
