Talking to his professor in her office, jeremy sits across the desk from her, about 5 feet away. jeremy and his professor are interacting in the of interpersonal distance.

Jeremy and his professor are interacting in the SOCIAL DISTANCE of interpersonal distance/space. 

Personal space refers to a "bubble" of space that surrounds a person when he/she is interacting within her environment. Being in a social distance means that the conversation between people is happening from approximately 4-12 feet of distance. This kind of distance is often associated with more formal set-ups like negotiation in business, or interviewing applicants for a particular job. 

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