Today, President Obama is back in Chicago and Mitt Romney is at a rally in Cleveland after voting this morning near his Boston-area home. Later today he will travel to Pittsburgh before flying back to Massachusetts.
As the two candidates made their final push for votes this week, they've been traveling a whole lot. Yesterday alone the two flew more than 5,000 miles while campaigning.
That's a lot of air miles. So it got us thinking about what's the environmental effect of all that travel?
KPCC's Molly Peterson has been looking into it.
Follow this link to find out your carbon footprint.