Sit on the Left side of the plane for the best views on flights from Rome to Dallas-fort Worth. The left side wins overall. The Rome departure view — city, Tiber, Alban Hills — is genuinely spectacular and hard to beat. Over the Atlantic and central US the views are similar on both sides, but the left side also catches the Spanish and Portuguese coastline during the transatlantic crossing and the Gulf Coast as you enter Texas airspace.

During takeoff from Fiumicino (FCO), sit on the Left side for the best views. FCO typically departs westward on runways 16L/16R or 25, then turns northwest toward the Atlantic. A left seat gives you a clear view back over Rome's historic center, the Tiber River winding through the city, and the Alban Hills to the southeast. Right side faces open Tyrrhenian Sea with little of note. Notable sights include: Rome city center and Colosseum area, Tiber River snaking through the urban grid, Alban Hills (Castelli Romani) to the southeast, Lake Bracciano to the north.

When landing at Dallas Fort Worth International (DFW), sit on the Right side for the best views. DFW typically lands from the east on runways 17C/17L/17R or from the north, meaning the approach comes in from the north or northeast. A right seat on final approach gives a view of downtown Dallas skyline to the east, the Trinity River corridor, and the sprawling DFW metroplex grid. Left side faces Fort Worth and open prairie. Notable sights include: Downtown Dallas skyline to the east, Trinity River corridor, Lake Grapevine to the northeast, Fort Worth skyline to the west (left side, less prominent from right).

The flight from Fiumicino (FCO) to Dallas Fort Worth International (DFW) takes Approximately 11 to 12 hours.

The route crosses the Tyrrhenian Sea, then the Iberian Peninsula (Spain and Portugal), exits over the Portuguese coast near Lisbon, crosses the North Atlantic, enters North America near Newfoundland or Nova Scotia, tracks southwest over the northeastern US, crosses the Appalachians as low ridgelines, passes over the Mississippi River valley, then crosses the flat plains of Arkansas and Texas before descending into DFW