| Cheyenne CYS | Cheyenne WY (147 miles) |
| Yampa Valley HDN | Hayden CO (167 miles) |
| Rapid City Regional RAP | Rapid City SD (187 miles) |
| Jackson Hole JAC | Jackson WY (220 miles) |
| Billings Logan BIL | Billings MT (225 miles) |
| Vail Eagle County EGE | Gypsum CO (226 miles) |
| Denver DEN | Denver CO (230 miles) |
| Aspen Pitkin County ASE | Aspen CO (254 miles) |
| Grand Junction Regional GJT | Grand Junction CO (283 miles) |
| Idaho Falls Regional IDA | Idaho Falls ID (285 miles) |
