| Mold to Oswego (Illinois) | 3,818.87 mi (6,145.87 km) |
| Mold to Oswego (New York) | 3,284.98 mi (5,286.66 km) |
| Mold to Otsego (Minnesota) | 3,841.50 mi (6,182.30 km) |
| Mold to Ottawa (Illinois) | 3,852.81 mi (6,200.50 km) |
| Mold to Ottawa (Kansas) | 4,227.78 mi (6,803.95 km) |
| Mold to Ottumwa (Iowa) | 4,002.65 mi (6,441.64 km) |
| Mold to Overland (Missouri) | 4,039.84 mi (6,501.49 km) |
| Mold to Overland Park (Kansas) | 4,192.02 mi (6,746.41 km) |
| Mold to Overlea (Maryland) | 3,468.17 mi (5,581.48 km) |
| Mold to Oviedo (Florida) | 4,178.74 mi (6,725.04 km) |
| Mold to Owasso (Oklahoma) | 4,366.38 mi (7,027.01 km) |
| Mold to Owatonna (Minnesota) | 3,883.66 mi (6,250.15 km) |
| Mold to Owensboro (Kentucky) | 3,961.31 mi (6,375.11 km) |
| Mold to Owings Mills (Maryland) | 3,476.93 mi (5,595.58 km) |
| Mold to Owosso (Michigan) | 3,600.81 mi (5,794.94 km) |
