| Morpeth to Odessa (Texas) | 4,828.84 mi (7,771.27 km) |
| Morpeth to Ogden (Utah) | 4,623.40 mi (7,440.64 km) |
| Morpeth to Oildale (California) | 5,168.62 mi (8,318.09 km) |
| Morpeth to Ojus (Florida) | 4,317.58 mi (6,948.48 km) |
| Morpeth to Okemos (Michigan) | 3,621.82 mi (5,828.76 km) |
| Morpeth to Oklahoma City (Oklahoma) | 4,462.78 mi (7,182.15 km) |
| Morpeth to Okmulgee (Oklahoma) | 4,401.42 mi (7,083.40 km) |
| Morpeth to Olathe (Kansas) | 4,186.66 mi (6,737.77 km) |
| Morpeth to Old Jamestown (Missouri) | 4,027.13 mi (6,481.04 km) |
| Morpeth to Oldsmar (Florida) | 4,303.66 mi (6,926.07 km) |
| Morpeth to Olean (New York) | 3,431.10 mi (5,521.82 km) |
| Morpeth to Olive Branch (Mississippi) | 4,211.97 mi (6,778.51 km) |
| Morpeth to Olivehurst (California) | 5,026.08 mi (8,088.70 km) |
| Morpeth to Olney (Maryland) | 3,520.32 mi (5,665.41 km) |
| Morpeth to Olympia (Washington) | 4,593.38 mi (7,392.34 km) |
