The average bus between Gap and Trets takes 5h 39m and the fastest bus takes 3h 23m. The bus service runs several times per day from Gap to Trets. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between Gap and Trets. The earliest departure is at 6:17 AM in the morning, and the last departure from Gap is at 5:17 PM which arrives into Trets at 6:05 AM. All services require a transfer at Gare Routière and take an average of 5h 39m. The schedules shown below are for the next available departures.

4h 8m • 1 change

4h 38m • 1 change

4h 3m • 1 change
Arrives next day

15h 53m • 1 change

5h 8m • 1 change

4h 8m • 1 change
Arrives next day

12h 48m • 1 change

3h 53m • 1 change

4h 8m • 1 change

4h 13m • 1 change

3h 43m • 1 change

3h 53m • 1 change

4h 8m • 1 change

4h 13m • 1 change

3h 43m • 1 change

3h 53m • 1 change

4h 8m • 1 change

3h 23m • 1 change

4h 13m • 1 change
Want to know about travelling from Gap to Trets? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Gap to Trets. However, there are services departing from Gap station and arriving at Trets station via Gare Routière. The journey, including transfers, takes approximately 5h 39m.
Gap to Trets bus services, operated by Zou! Lignes Express, depart from Porte Colombe station.
Gap to Trets bus services, operated by Zou! Lignes Express, arrive at Pôle Q4 station.
The distance between Gap and Trets is 127.6 km. The road distance is 190 km.
You can take a bus from Porte Colombe to Pôle Q4 via Gare Routière and GR Quai 04 in around 4h 5m.