Question: Which of both airports; Eugene Airport and Merle K. Smith Airport, is located farther from its closest city? 
Sentence (from "Merle K. (Mudhole) Smith Airport"): Merle K. (Mudhole) Smith Airport (IATA: CDV, ICAO: PACV, FAA LID: CDV) is a state owned, public use airport located 11 nautical miles (13 mi, 20 km) southeast of the central business district of Cordova, a city in the Valdez-Cordova Census Area of the U.S. state of Alaska which has no road access to the outside world.
Relevant evidence: Yes