| Baldock to Oswego (Illinois) | 3,965.65 mi (6,382.10 km) |
| Baldock to Oswego (New York) | 3,429.36 mi (5,519.02 km) |
| Baldock to Otsego (Minnesota) | 3,989.36 mi (6,420.25 km) |
| Baldock to Ottawa (Illinois) | 3,999.59 mi (6,436.73 km) |
| Baldock to Ottawa (Kansas) | 4,375.06 mi (7,040.97 km) |
| Baldock to Ottumwa (Iowa) | 4,149.96 mi (6,678.71 km) |
| Baldock to Overland (Missouri) | 4,186.19 mi (6,737.02 km) |
| Baldock to Overland Park (Kansas) | 4,339.26 mi (6,983.37 km) |
| Baldock to Overlea (Maryland) | 3,609.91 mi (5,809.59 km) |
| Baldock to Oviedo (Florida) | 4,315.33 mi (6,944.86 km) |
| Baldock to Owasso (Oklahoma) | 4,513.29 mi (7,263.44 km) |
| Baldock to Owatonna (Minnesota) | 4,031.45 mi (6,487.99 km) |
| Baldock to Owensboro (Kentucky) | 4,106.41 mi (6,608.63 km) |
| Baldock to Owings Mills (Maryland) | 3,618.83 mi (5,823.95 km) |
| Baldock to Owosso (Michigan) | 3,747.13 mi (6,030.42 km) |
