| Obidos to Oswego (Illinois) | 4,006.40 mi (6,447.68 km) |
| Obidos to Oswego (New York) | 3,404.89 mi (5,479.65 km) |
| Obidos to Otsego (Minnesota) | 4,131.81 mi (6,649.50 km) |
| Obidos to Ottawa (Illinois) | 4,039.16 mi (6,500.40 km) |
| Obidos to Ottawa (Kansas) | 4,429.43 mi (7,128.47 km) |
| Obidos to Ottumwa (Iowa) | 4,215.32 mi (6,783.90 km) |
| Obidos to Overland (Missouri) | 4,197.14 mi (6,754.65 km) |
| Obidos to Overland Park (Kansas) | 4,392.57 mi (7,069.15 km) |
| Obidos to Overlea (Maryland) | 3,508.40 mi (5,646.22 km) |
| Obidos to Oviedo (Florida) | 4,083.77 mi (6,572.20 km) |
| Obidos to Owasso (Oklahoma) | 4,539.53 mi (7,305.67 km) |
| Obidos to Owatonna (Minnesota) | 4,152.02 mi (6,682.03 km) |
| Obidos to Owensboro (Kentucky) | 4,072.84 mi (6,554.60 km) |
| Obidos to Owings Mills (Maryland) | 3,520.59 mi (5,665.84 km) |
| Obidos to Owosso (Michigan) | 3,775.52 mi (6,076.12 km) |
