| Morfelden-Walldorf to Oswego (Illinois) | 4,363.55 mi (7,022.45 km) |
| Morfelden-Walldorf to Oswego (New York) | 3,832.64 mi (6,168.04 km) |
| Morfelden-Walldorf to Otsego (Minnesota) | 4,377.00 mi (7,044.10 km) |
| Morfelden-Walldorf to Ottawa (Illinois) | 4,397.47 mi (7,077.04 km) |
| Morfelden-Walldorf to Ottawa (Kansas) | 4,770.32 mi (7,677.09 km) |
| Morfelden-Walldorf to Ottumwa (Iowa) | 4,545.08 mi (7,314.59 km) |
| Morfelden-Walldorf to Overland (Missouri) | 4,585.58 mi (7,379.77 km) |
| Morfelden-Walldorf to Overland Park (Kansas) | 4,734.76 mi (7,619.86 km) |
| Morfelden-Walldorf to Overlea (Maryland) | 4,014.95 mi (6,461.44 km) |
| Morfelden-Walldorf to Oviedo (Florida) | 4,719.53 mi (7,595.35 km) |
| Morfelden-Walldorf to Owasso (Oklahoma) | 4,910.52 mi (7,902.71 km) |
| Morfelden-Walldorf to Owatonna (Minnesota) | 4,421.44 mi (7,115.62 km) |
| Morfelden-Walldorf to Owensboro (Kentucky) | 4,508.66 mi (7,255.98 km) |
| Morfelden-Walldorf to Owings Mills (Maryland) | 4,023.83 mi (6,475.72 km) |
| Morfelden-Walldorf to Owosso (Michigan) | 4,146.67 mi (6,673.43 km) |
