Frank Wiley Field is served by 1 airline, flying from/to 2 destinationsLongest flight from Frank Wiley Field is Miles City to 🇺🇸 Billings (BIL), which takes around 35 minutes. On an airline like Alpine Air Express. More info on this flight route (MLS-BIL).Shortest flight from Frank Wiley Field is Miles City to 🇺🇸 Glendive (GDV), which takes around 20 minutes. On an airline like Alpine Air Express. More info on this flight route (MLS-GDV).