NETWORK SCENARIO

I HAVE 3 BUILDINGS. ONE BUILDING IS TWO STORIES WITH 5 WORKSTATIONS AND 1 SERVER ON EACH FLOOR. THE 2ND BUILDING IS 3 STORIES SAME AMOUNT ON EACH FLOOR. BUILDING 1 & 2 ARE APPROX. 185 METERS AWAY. 3RD BUILDING IS 2 STORIES WIRH SAME AMOUNT OF WS ON EACH FLOOR BUT IS ABOUT 500 MILES AWAY. HOW WOULD I NETWORK THEM ALL. MONEY IS NOT IMPORTANT?