#21. Airports near Alton Township, SD Kearney Regional Airport (EAR) 277 miles Weekly Flights: 4 Domestic Routes: 1 Delayed Flights: 3% Average Delay (hr): 2¼
#22. Airports near Alton Township, SD Range Regional Airport (HIB) 278 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#23. Airports near Alton Township, SD Devils Lake Regional Airport (DVL) 284 miles Weekly Flights: 12 Domestic Routes: 2 Delayed Flights: 13% Average Delay (hr): 3¼
#24. Airports near Alton Township, SD The Eastern Iowa Airport (CID) 298 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼
#25. Airports near Alton Township, SD North Platte Regional Airport-Lee Bird Field (LBF) 303 miles Weekly Flights: 11 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#26. Airports near Alton Township, SD Rapid City Regional Airport (RAP) 321 miles Weekly Flights: 82 Domestic Routes: 11 Delayed Flights: 17% Average Delay (hr): 1½
#27. Airports near Alton Township, SD Dubuque Regional Airport (DBQ) 324 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#28. Airports near Alton Township, SD Falls International Airport-Einarson Field (INL) 330 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 11% Average Delay (hr): 1¾
#29. Airports near Alton Township, SD Central Wisconsin Airport (CWA) 342 miles Weekly Flights: 55 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#30. Airports near Alton Township, SD Minot International Airport (MOT) 352 miles Weekly Flights: 49 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#31. Airports near Alton Township, SD Manhattan Regional Airport (MHK) 358 miles Weekly Flights: 35 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 1½
#32. Airports near Alton Township, SD Rhinelander-Oneida County Airport (RHI) 359 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 2¼
#33. Airports near Alton Township, SD Kansas City International Airport (MCI) 361 miles Weekly Flights: 1,081 Domestic Routes: 50 Delayed Flights: 15% Average Delay (hr): 1
#34. Airports near Alton Township, SD Quad City International Airport (MLI) 366 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#35. Airports near Alton Township, SD Dane County Regional Airport-Truax Field (MSN) 371 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#36. Airports near Alton Township, SD Salina Regional Airport (SLN) 386 miles Weekly Flights: 13 Domestic Routes: 2 Delayed Flights: 20% Average Delay (hr): 2¼
#37. Airports near Alton Township, SD Western Nebraska Regional Airport-William B Heilig Field (BFF) 392 miles Weekly Flights: 11 Domestic Routes: 1 Delayed Flights: 9% Average Delay (hr): 1¾
#38. Airports near Alton Township, SD Appleton International Airport (ATW) 399 miles Weekly Flights: 81 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1½
#39. Airports near Alton Township, SD Hays Regional Airport (HYS) 403 miles Weekly Flights: 21 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 2
#40. Airports near Alton Township, SD Chicago-Rockford International Airport (RFD) 404 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼