| Oldbury to Oswego (Illinois) | 3,880.67 mi (6,245.34 km) |
| Oldbury to Oswego (New York) | 3,344.46 mi (5,382.39 km) |
| Oldbury to Otsego (Minnesota) | 3,905.24 mi (6,284.87 km) |
| Oldbury to Ottawa (Illinois) | 3,914.62 mi (6,299.97 km) |
| Oldbury to Ottawa (Kansas) | 4,290.22 mi (6,904.44 km) |
| Oldbury to Ottumwa (Iowa) | 4,065.14 mi (6,542.21 km) |
| Oldbury to Overland (Missouri) | 4,101.16 mi (6,600.18 km) |
| Oldbury to Overland Park (Kansas) | 4,254.41 mi (6,846.82 km) |
| Oldbury to Overlea (Maryland) | 3,525.57 mi (5,673.85 km) |
| Oldbury to Oviedo (Florida) | 4,232.59 mi (6,811.70 km) |
| Oldbury to Owasso (Oklahoma) | 4,428.34 mi (7,126.73 km) |
| Oldbury to Owatonna (Minnesota) | 3,947.08 mi (6,352.21 km) |
| Oldbury to Owensboro (Kentucky) | 4,021.42 mi (6,471.86 km) |
| Oldbury to Owings Mills (Maryland) | 3,534.45 mi (5,688.15 km) |
| Oldbury to Owosso (Michigan) | 3,662.10 mi (5,893.58 km) |
