| Newburyport to Oswego (Illinois) | 894.26 mi (1,439.17 km) |
| Newburyport to Oswego (New York) | 286.38 mi (460.88 km) |
| Newburyport to Otsego (Minnesota) | 1,137.85 mi (1,831.19 km) |
| Newburyport to Ottawa (Illinois) | 923.57 mi (1,486.34 km) |
| Newburyport to Ottawa (Kansas) | 1,304.56 mi (2,099.49 km) |
| Newburyport to Ottumwa (Iowa) | 1,110.83 mi (1,787.71 km) |
| Newburyport to Overland (Missouri) | 1,055.83 mi (1,699.19 km) |
| Newburyport to Overland Park (Kansas) | 1,268.53 mi (2,041.49 km) |
| Newburyport to Overlea (Maryland) | 377.62 mi (607.72 km) |
| Newburyport to Oviedo (Florida) | 1,133.77 mi (1,824.63 km) |
| Newburyport to Owasso (Oklahoma) | 1,397.10 mi (2,248.42 km) |
| Newburyport to Owatonna (Minnesota) | 1,120.73 mi (1,803.64 km) |
| Newburyport to Owensboro (Kentucky) | 922.03 mi (1,483.87 km) |
| Newburyport to Owings Mills (Maryland) | 386.69 mi (622.32 km) |
| Newburyport to Owosso (Michigan) | 671.94 mi (1,081.38 km) |
