All'amica lontana is a quintessential mid-19th century salon romance typical of the Italian virtuoso tradition. It features flowing, vocal-style melodies supported by decorative arpeggiated figures.
Students must develop a deep cantabile tone to sustain the melodic interest over the accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
All'amica lontana (Op.16) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of All'amica lontana (Op.16) lasts about 6 minutes.
All'amica lontana (Op.16) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include All'amica lontana by Adolfo Fumagalli, 'Casta diva che inargenti' in 'Norma' by Adolfo Fumagalli, Quejas, o la maja y el ruiseñor by Enrique Granados — see the full similar-pieces list on this page.