| Porto de Mos to Oswego (Illinois) | 4,013.66 mi (6,459.36 km) |
| Porto de Mos to Oswego (New York) | 3,413.08 mi (5,492.82 km) |
| Porto de Mos to Otsego (Minnesota) | 4,136.66 mi (6,657.30 km) |
| Porto de Mos to Ottawa (Illinois) | 4,046.48 mi (6,512.18 km) |
| Porto de Mos to Ottawa (Kansas) | 4,436.75 mi (7,140.26 km) |
| Porto de Mos to Ottumwa (Iowa) | 4,222.18 mi (6,794.93 km) |
| Porto de Mos to Overland (Missouri) | 4,205.31 mi (6,767.80 km) |
| Porto de Mos to Overland Park (Kansas) | 4,399.88 mi (7,080.93 km) |
| Porto de Mos to Overlea (Maryland) | 3,518.57 mi (5,662.59 km) |
| Porto de Mos to Oviedo (Florida) | 4,097.51 mi (6,594.31 km) |
| Porto de Mos to Owasso (Oklahoma) | 4,547.64 mi (7,318.71 km) |
| Porto de Mos to Owatonna (Minnesota) | 4,157.44 mi (6,690.75 km) |
| Porto de Mos to Owensboro (Kentucky) | 4,081.97 mi (6,569.29 km) |
| Porto de Mos to Owings Mills (Maryland) | 3,530.70 mi (5,682.11 km) |
| Porto de Mos to Owosso (Michigan) | 3,782.84 mi (6,087.90 km) |
