I did some research! Distances are based on mapquest biking directions to city centers!
Butler: 6 miles from Indianapolis, IN city center (Butler-Tarkington)
Creighton: 1 mile from Omaha, NE city center (just outside business district)
DePaul: 1 mile from Chicago, IL city center (Lincoln Park)
Georgetown: 3 miles from Washington, DC city center (Georgetown)
Marquette: 1 mile from Milwaukee, WI city center (University Hill)
Providence: 2 miles from Providence, RI city center (Smith Hill)
Seton Hall: 4 miles from Newark, NJ city center (South Orange)
St. John's: 12 miles from New York, NY city center (Jamaica, Queens)
Villanova: 12 miles from Philadelphia, PA city center (Villanova)
Xavier: 3 miles from Cincinnati, OH city center (North Avondale)