An aircraft comprising: a fuselage; a front wing connected to a front portion of the fuselage and configured to generate lift when the aircraft moves in a horizontal direction; a rear wing connected to a rear portion of the fuselage and configured to generate lift when the aircraft moves in the horizontal direction; and four or more rotors configured to generate lift, wherein the four or more rotors include: a pair of first rotors disposed forward of the front wing so as to be bilaterally symmetrical about a position overlapping a central axis of the fuselage in plan view; and a pair of second rotors (20b, 20c) disposed between the front wing and the rear wing so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, and wherein a distance (Dy, Dz) between the fuselage and each of the second rotors in a width direction is longer than a distance (Dx) between the fuselage and each of the first rotors in the width direction, characterized in that the aircraft further comprises a pair of bar members disposed so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, wherein the pair of bar members are connected to the front wing and the rear wing, are curved outward in the width direction, and support the pair of first rotors and the pair of second rotors. a fuselage; a front wing connected to a front portion of the fuselage and configured to generate lift when the aircraft moves in a horizontal direction; a rear wing connected to a rear portion of the fuselage and configured to generate lift when the aircraft moves in the horizontal direction; and four or more rotors configured to generate lift, wherein the four or more rotors include: a pair of first rotors disposed forward of the front wing so as to be bilaterally symmetrical about a position overlapping a central axis of the fuselage in plan view; and a pair of second rotors (20b, 20c) disposed between the front wing and the rear wing so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, and wherein a distance (Dy, Dz) between the fuselage and each of the second rotors in a width direction is longer than a distance (Dx) between the fuselage and each of the first rotors in the width direction, characterized in that the aircraft further comprises a pair of bar members disposed so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, wherein the pair of bar members are connected to the front wing and the rear wing, are curved outward in the width direction, and support the pair of first rotors and the pair of second rotors. a pair of first rotors disposed forward of the front wing so as to be bilaterally symmetrical about a position overlapping a central axis of the fuselage in plan view; and a pair of second rotors (20b, 20c) disposed between the front wing and the rear wing so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, and wherein a distance (Dy, Dz) between the fuselage and each of the second rotors in a width direction is longer than a distance (Dx) between the fuselage and each of the first rotors in the width direction, characterized in that the aircraft further comprises a pair of bar members disposed so as to be bilaterally symmetrical about the position overlapping the central axis of the fuselage in the plan view, wherein the pair of bar members are connected to the front wing and the rear wing, are curved outward in the width direction, and support the pair of first rotors and the pair of second rotors.