| Bad Nenndorf to Oswego (Illinois) | 4,303.04 mi (6,925.08 km) |
| Bad Nenndorf to Oswego (New York) | 3,786.94 mi (6,094.48 km) |
| Bad Nenndorf to Otsego (Minnesota) | 4,301.03 mi (6,921.84 km) |
| Bad Nenndorf to Ottawa (Illinois) | 4,336.86 mi (6,979.51 km) |
| Bad Nenndorf to Ottawa (Kansas) | 4,704.52 mi (7,571.19 km) |
| Bad Nenndorf to Ottumwa (Iowa) | 4,479.35 mi (7,208.81 km) |
| Bad Nenndorf to Overland (Missouri) | 4,527.86 mi (7,286.88 km) |
| Bad Nenndorf to Overland Park (Kansas) | 4,669.39 mi (7,514.65 km) |
| Bad Nenndorf to Overlea (Maryland) | 3,979.49 mi (6,404.36 km) |
| Bad Nenndorf to Oviedo (Florida) | 4,699.44 mi (7,563.02 km) |
| Bad Nenndorf to Owasso (Oklahoma) | 4,847.99 mi (7,802.08 km) |
| Bad Nenndorf to Owatonna (Minnesota) | 4,348.38 mi (6,998.04 km) |
| Bad Nenndorf to Owensboro (Kentucky) | 4,458.44 mi (7,175.16 km) |
| Bad Nenndorf to Owings Mills (Maryland) | 3,987.77 mi (6,417.70 km) |
| Bad Nenndorf to Owosso (Michigan) | 4,089.93 mi (6,582.11 km) |
