Are there nonstop flights from Rome (FCO) to Constantine (CZL)?

No. The fastest connection is via Algiers, about 2h 30m of total flying time.

What is the fastest connection from Rome (FCO) to Constantine (CZL)?

via Algiers ≈ 2h 30m, via Nice ≈ 2h 30m, via Marseille ≈ 2h 40m (estimated flying time, excluding layovers).

Rome–Fiumicino Leonardo da Vinci International Airport (FCO) to Mohamed Boudiaf International Airport (CZL)・783 km

No nonstop flights. The fastest connection is via Algiers (ALG), about 2h 30m of flying time (layover not included).

None.

7 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.