How long does it take to fly from Nairobi to Nanyuki / Mount Kenya?

About 45 minutes, against roughly 3h 30m by road — a saving of about 2h 45m each way.

What is not included in the quoted price?

Landing fees (about USD 80) and park entry fees are charged separately.

Yes. A chauffeured vehicle can meet the aircraft on arrival — that joined-up movement is the whole point.

from Wilson Airport, Nairobi

45 minutes by air against 3h 30m by road. Aircraft options and indicative pricing below.

By air

45 min

By road

3h 30m

You get back

2h 45m each way

180 km

Priced per trip — long routes are quoted as a whole rather than by the hour.

4 seats

USD 2,400one way

≈ KES 309,600

USD 4,550return

5 seats

USD 2,650one way

≈ KES 341,850

USD 5,000return

6 seats

USD 3,100one way

≈ KES 399,900

USD 5,850return

Mount Kenya peaksAberdare moorlandEquator crossing

How long does it take to fly from Nairobi to Nanyuki / Mount Kenya?: About 45 minutes, against roughly 3h 30m by road — a saving of about 2h 45m each way.
What is not included in the quoted price?: Landing fees (about USD 80) and park entry fees are charged separately.
Can you arrange ground transport at the other end?: Yes. A chauffeured vehicle can meet the aircraft on arrival — that joined-up movement is the whole point.