JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
</head>
<body>
	<div>
		<div class='g_5'><h5>строка большая<span>Иконка</span></h5></div>
		<div class='g_5'><h5>строка большая строка большая<span>Иконка</span></h5></div>
	</div>
</body>
</html>

CSS

h5 {
			position: relative;
			display: inline-block;
		}
		span {
			position: absolute;
			top: 0;
			right: -56px;
		}

		.g_5 {
			width: 26%;
		}