| North Bellport to Oswego (Illinois) | 801.05 mi (1,289.16 km) |
| North Bellport to Oswego (New York) | 258.97 mi (416.77 km) |
| North Bellport to Otsego (Minnesota) | 1,085.69 mi (1,747.25 km) |
| North Bellport to Ottawa (Illinois) | 826.97 mi (1,330.88 km) |
| North Bellport to Ottawa (Kansas) | 1,192.85 mi (1,919.71 km) |
| North Bellport to Ottumwa (Iowa) | 1,014.93 mi (1,633.37 km) |
| North Bellport to Overland (Missouri) | 935.26 mi (1,505.15 km) |
| North Bellport to Overland Park (Kansas) | 1,157.92 mi (1,863.49 km) |
| North Bellport to Overlea (Maryland) | 212.87 mi (342.57 km) |
| North Bellport to Oviedo (Florida) | 958.75 mi (1,542.96 km) |
| North Bellport to Owasso (Oklahoma) | 1,271.28 mi (2,045.93 km) |
| North Bellport to Owatonna (Minnesota) | 1,056.36 mi (1,700.04 km) |
| North Bellport to Owensboro (Kentucky) | 785.37 mi (1,263.94 km) |
| North Bellport to Owings Mills (Maryland) | 224.33 mi (361.03 km) |
| North Bellport to Owosso (Michigan) | 596.92 mi (960.65 km) |
