Use this map to answer the question:

A political map of India. A scale is provided indicating that one inch equals approximately 400 miles. The city of Bangalore is located inland approximately one inch north of the southern tip of India. The city of Calicut is located along the west coast approximately three-quarters of an inch north of the southern tip of India and one-half inch southwest of Bangalore. The city of Pondicherry is on the east coast and located approximately one inch east of Calicut. Bangalore is approximately an equal distance from Calicut and Pondicherry.
Public Domain

How far is it between Bangalore and Pondicherry?

about 100 miles
about 200 miles
about 300 miles
about 400 miles