| Morpeth to Oswego (Illinois) | 3,813.47 mi (6,137.18 km) |
| Morpeth to Oswego (New York) | 3,294.93 mi (5,302.69 km) |
| Morpeth to Otsego (Minnesota) | 3,819.48 mi (6,146.86 km) |
| Morpeth to Ottawa (Illinois) | 3,847.32 mi (6,191.67 km) |
| Morpeth to Ottawa (Kansas) | 4,217.11 mi (6,786.79 km) |
| Morpeth to Ottumwa (Iowa) | 3,991.86 mi (6,424.28 km) |
| Morpeth to Overland (Missouri) | 4,037.49 mi (6,497.71 km) |
| Morpeth to Overland Park (Kansas) | 4,181.78 mi (6,729.92 km) |
| Morpeth to Overlea (Maryland) | 3,488.64 mi (5,614.42 km) |
| Morpeth to Oviedo (Florida) | 4,213.74 mi (6,781.35 km) |
| Morpeth to Owasso (Oklahoma) | 4,359.24 mi (7,015.52 km) |
| Morpeth to Owatonna (Minnesota) | 3,864.87 mi (6,219.91 km) |
| Morpeth to Owensboro (Kentucky) | 3,966.68 mi (6,383.75 km) |
| Morpeth to Owings Mills (Maryland) | 3,496.80 mi (5,627.55 km) |
| Morpeth to Owosso (Michigan) | 3,599.23 mi (5,792.40 km) |
