| Balham to Oswego (Illinois) | 3,984.67 mi (6,412.71 km) |
| Balham to Oswego (New York) | 3,445.26 mi (5,544.62 km) |
| Balham to Otsego (Minnesota) | 4,011.79 mi (6,456.36 km) |
| Balham to Ottawa (Illinois) | 4,018.62 mi (6,467.35 km) |
| Balham to Ottawa (Kansas) | 4,395.07 mi (7,073.18 km) |
| Balham to Ottumwa (Iowa) | 4,170.06 mi (6,711.06 km) |
| Balham to Overland (Missouri) | 4,204.49 mi (6,766.47 km) |
| Balham to Overland Park (Kansas) | 4,359.19 mi (7,015.45 km) |
| Balham to Overlea (Maryland) | 3,623.34 mi (5,831.21 km) |
| Balham to Oviedo (Florida) | 4,324.97 mi (6,960.37 km) |
| Balham to Owasso (Oklahoma) | 4,532.52 mi (7,294.39 km) |
| Balham to Owatonna (Minnesota) | 4,053.23 mi (6,523.04 km) |
| Balham to Owensboro (Kentucky) | 4,123.05 mi (6,635.41 km) |
| Balham to Owings Mills (Maryland) | 3,632.40 mi (5,845.79 km) |
| Balham to Owosso (Michigan) | 3,765.41 mi (6,059.84 km) |
