| Nidda to Oswego (Illinois) | 4,363.31 mi (7,022.06 km) |
| Nidda to Oswego (New York) | 3,835.52 mi (6,172.68 km) |
| Nidda to Otsego (Minnesota) | 4,373.26 mi (7,038.08 km) |
| Nidda to Ottawa (Illinois) | 4,397.21 mi (7,076.62 km) |
| Nidda to Ottawa (Kansas) | 4,768.96 mi (7,674.90 km) |
| Nidda to Ottumwa (Iowa) | 4,543.70 mi (7,312.37 km) |
| Nidda to Overland (Missouri) | 4,585.99 mi (7,380.43 km) |
| Nidda to Overland Park (Kansas) | 4,733.49 mi (7,617.81 km) |
| Nidda to Overlea (Maryland) | 4,020.03 mi (6,469.62 km) |
| Nidda to Oviedo (Florida) | 4,727.90 mi (7,608.82 km) |
| Nidda to Owasso (Oklahoma) | 4,909.91 mi (7,901.74 km) |
| Nidda to Owatonna (Minnesota) | 4,418.38 mi (7,110.70 km) |
| Nidda to Owensboro (Kentucky) | 4,510.69 mi (7,259.26 km) |
| Nidda to Owings Mills (Maryland) | 4,028.79 mi (6,483.71 km) |
| Nidda to Owosso (Michigan) | 4,147.23 mi (6,674.31 km) |
