#21. Airports near Pennington County, SD Hector International Airport (FAR) 354 miles Weekly Flights: 111 Domestic Routes: 11 Delayed Flights: 15% Average Delay (hr): 1½
#22. Airports near Pennington County, SD Southwest Wyoming Regional Airport (RKS) 357 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 9% Average Delay (hr): 2¼
#23. Airports near Pennington County, SD Eagle County Regional Airport (EGE) 367 miles Weekly Flights: 41 Domestic Routes: 14 Delayed Flights: 20% Average Delay (hr): 2¼
#24. Airports near Pennington County, SD City of Colorado Springs Municipal Airport (COS) 372 miles Weekly Flights: 199 Domestic Routes: 17 Delayed Flights: 18% Average Delay (hr): 1½
#25. Airports near Pennington County, SD Lincoln Airport (LNK) 378 miles Weekly Flights: 34 Domestic Routes: 4 Delayed Flights: 12% Average Delay (hr): 2
#26. Airports near Pennington County, SD Grand Forks International Airport (GFK) 384 miles Weekly Flights: 40 Domestic Routes: 4 Delayed Flights: 12% Average Delay (hr): 1½
#27. Airports near Pennington County, SD Aspen-Pitkin County Airport-Sardy Field (ASE) 391 miles Weekly Flights: 132 Domestic Routes: 10 Delayed Flights: 21% Average Delay (hr): 1¾
#28. Airports near Pennington County, SD Jackson Hole Airport (JAC) 395 miles Weekly Flights: 81 Domestic Routes: 13 Delayed Flights: 18% Average Delay (hr): 1½
#29. Airports near Pennington County, SD Eppley Airfield (OMA) 398 miles Weekly Flights: 481 Domestic Routes: 34 Delayed Flights: 15% Average Delay (hr): 1¼
#30. Airports near Pennington County, SD Hays Regional Airport (HYS) 401 miles Weekly Flights: 21 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 2
#31. Airports near Pennington County, SD Pueblo Memorial Airport (PUB) 404 miles Weekly Flights: 17 Domestic Routes: 2 Delayed Flights: 12% Average Delay (hr): 2¼
#32. Airports near Pennington County, SD Yellowstone Airport (WYS) 412 miles Weekly Flights: 5 Domestic Routes: 1 Delayed Flights: 5% Average Delay (hr): 1
#33. Airports near Pennington County, SD Vernal Regional Airport (VEL) 421 miles Weekly Flights: 6 Domestic Routes: 1 Delayed Flights: 13% Average Delay (hr): 1½
#34. Airports near Pennington County, SD Bozeman Yellowstone International Airport (BZN) 425 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½
#35. Airports near Pennington County, SD Garden City Regional Airport (GCK) 434 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 14% Average Delay (hr): 1¼
#36. Airports near Pennington County, SD Gunnison-Crested Butte Regional Airport (GUC) 434 miles Weekly Flights: 4 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 1¾
#37. Airports near Pennington County, SD St. Cloud Regional Airport (STC) 443 miles Weekly Flights: 3 Domestic Routes: 2 Delayed Flights: 25% Average Delay (hr): 1¼
#38. Airports near Pennington County, SD Grand Junction Regional Airport (GJT) 448 miles Weekly Flights: 72 Domestic Routes: 9 Delayed Flights: 9% Average Delay (hr): 1½
#39. Airports near Pennington County, SD Salina Regional Airport (SLN) 449 miles Weekly Flights: 13 Domestic Routes: 2 Delayed Flights: 20% Average Delay (hr): 2¼
#40. Airports near Pennington County, SD Bemidji Regional Airport (BJI) 451 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 1¾