#21. Airports near ZIP Code 57520, SD Casper-Natrona County International Airport (CPR) 340 miles Weekly Flights: 19 Domestic Routes: 4 Delayed Flights: 6% Average Delay (hr): 2
#22. Airports near ZIP Code 57520, SD Minneapolis-St Paul International-Wold-Chamberlain Airport (MSP) 341 miles Weekly Flights: 3,065 Domestic Routes: 132 Delayed Flights: 14% Average Delay (hr): 1¼
#23. Airports near ZIP Code 57520, SD Cheyenne Regional Airport-Jerry Olson Field (CYS) 346 miles Weekly Flights: 1 Domestic Routes: 1 Delayed Flights: 18% Average Delay (hr): 1
#24. Airports near ZIP Code 57520, SD Laramie Regional Airport (LAR) 369 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 11% Average Delay (hr): 2¼
#25. Airports near ZIP Code 57520, SD Rochester International Airport (RST) 385 miles Weekly Flights: 63 Domestic Routes: 3 Delayed Flights: 17% Average Delay (hr): 1½
#26. Airports near ZIP Code 57520, SD Range Regional Airport (HIB) 393 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#27. Airports near ZIP Code 57520, SD Des Moines International Airport (DSM) 401 miles Weekly Flights: 300 Domestic Routes: 26 Delayed Flights: 15% Average Delay (hr): 1¼
#28. Airports near ZIP Code 57520, SD Duluth International Airport (DLH) 409 miles Weekly Flights: 54 Domestic Routes: 2 Delayed Flights: 15% Average Delay (hr): 1¾
#29. Airports near ZIP Code 57520, SD Billings Logan International Airport (BIL) 411 miles Weekly Flights: 80 Domestic Routes: 11 Delayed Flights: 11% Average Delay (hr): 1½
#30. Airports near ZIP Code 57520, SD Falls International Airport-Einarson Field (INL) 411 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 11% Average Delay (hr): 1¾
#31. Airports near ZIP Code 57520, SD Denver International Airport (DEN) 414 miles Weekly Flights: 4,538 Domestic Routes: 162 Delayed Flights: 19% Average Delay (hr): 1
#32. Airports near ZIP Code 57520, SD Hays Regional Airport (HYS) 418 miles Weekly Flights: 21 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 2
#33. Airports near ZIP Code 57520, SD Waterloo Regional Airport (ALO) 420 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1¼
#34. Airports near ZIP Code 57520, SD Chippewa Valley Regional Airport (EAU) 426 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 13% Average Delay (hr): 2¼
#35. Airports near ZIP Code 57520, SD Manhattan Regional Airport (MHK) 434 miles Weekly Flights: 35 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 1½
#36. Airports near ZIP Code 57520, SD Yellowstone Regional Airport (COD) 434 miles Weekly Flights: 16 Domestic Routes: 2 Delayed Flights: 10% Average Delay (hr): 2¼
#37. Airports near ZIP Code 57520, SD Salina Regional Airport (SLN) 439 miles Weekly Flights: 13 Domestic Routes: 2 Delayed Flights: 20% Average Delay (hr): 2¼
#38. Airports near ZIP Code 57520, SD La Crosse Regional Airport (LSE) 446 miles Weekly Flights: 41 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 1½
#39. Airports near ZIP Code 57520, SD Yampa Valley Airport (HDN) 467 miles Weekly Flights: 18 Domestic Routes: 14 Delayed Flights: 17% Average Delay (hr): 1¾
#40. Airports near ZIP Code 57520, SD The Eastern Iowa Airport (CID) 473 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼