| Fernan-Nunez to Oswego (Illinois) | 4,272.19 mi (6,875.43 km) |
| Fernan-Nunez to Oswego (New York) | 3,671.46 mi (5,908.64 km) |
| Fernan-Nunez to Otsego (Minnesota) | 4,393.81 mi (7,071.16 km) |
| Fernan-Nunez to Ottawa (Illinois) | 4,305.01 mi (6,928.25 km) |
| Fernan-Nunez to Ottawa (Kansas) | 4,695.28 mi (7,556.32 km) |
| Fernan-Nunez to Ottumwa (Iowa) | 4,480.65 mi (7,210.91 km) |
| Fernan-Nunez to Overland (Missouri) | 4,463.70 mi (7,183.63 km) |
| Fernan-Nunez to Overland Park (Kansas) | 4,658.42 mi (7,497.00 km) |
| Fernan-Nunez to Overlea (Maryland) | 3,775.28 mi (6,075.73 km) |
| Fernan-Nunez to Oviedo (Florida) | 4,345.92 mi (6,994.08 km) |
| Fernan-Nunez to Owasso (Oklahoma) | 4,806.05 mi (7,734.59 km) |
| Fernan-Nunez to Owatonna (Minnesota) | 4,415.14 mi (7,105.49 km) |
| Fernan-Nunez to Owensboro (Kentucky) | 4,339.79 mi (6,984.22 km) |
| Fernan-Nunez to Owings Mills (Maryland) | 3,787.49 mi (6,095.38 km) |
| Fernan-Nunez to Owosso (Michigan) | 4,041.37 mi (6,503.96 km) |
