Adaptasi [[peran hidup|film layar lebar]] dari manga ini diumumkan pada bulan Juni 2023. Film ini disutradarai oleh Natsuki Seta dan dibintangi oleh [[Yui Aragaki]] sebagai Makio Kōdai.<ref>{{cite web|script-title=ja:ヤマシタトモコ「違国日記」映画化！主演は新垣結衣、人見知りな小説家役に|url=https://natalie.mu/comic/news/527370|website=[[Natalie (situs web)|Comic Natalie]]|publisher=Natasha, Inc.|access-date=7 Juni 2023|language=ja|date=6 Juni 2023|archive-url=https://web.archive.org/web/20230607194046/https://natalie.mu/comic/news/527370|archive-date=7 Juni 2023|url-status=live}}</ref><ref name="Makio">{{cite web|last=Pineda|first=Rafael|title=Tomoko Yamashita's Ikoku Nikki Manga Gets Live-Action Film in 2024|url=https://www.animenewsnetwork.com/news/2023-06-06/tomoko-yamashita-ikoku-nikki-manga-gets-live-action-film-in-2024/.198851|website=[[Anime News Network]]|access-date=6 Juni 2023|date=6 Juni 2023|archive-date=9 Agustus 2023|archive-url=https://web.archive.org/web/20230809211619/https://www.animenewsnetwork.com/news/2023-06-06/tomoko-yamashita-ikoku-nikki-manga-gets-live-action-film-in-2024/.198851|url-status=live}}</ref> Lagu tema film ini adalah {{Nihongo|"Asa no Uta"|あさのうた||{{lit|"Asa's Song}}"}} yang dibawakan oleh Eriko Hashimoto dan {{Nihongo|"Yoake no Anata e"|夜明けのあなたへ||{{lit|"To You at Daybreak}}"}} yang dibawakan oleh Toaka.<ref name="ANN-2024-03-10"/><ref>{{cite web|last=Tai|first=Anita|title=Live-Action Ikoku Nikki Film Reveals New Trailer Featuring Toaka's Song|url=https://www.animenewsnetwork.com/news/2024-04-03/live-action-ikoku-nikki-film-reveals-new-trailer-featuring-toaka-song/.209533|website=[[Anime News Network]]|access-date=4 April 2024|archive-url=https://web.archive.org/web/20240404120340/https://www.animenewsnetwork.com/news/2024-04-03/live-action-ikoku-nikki-film-reveals-new-trailer-featuring-toaka-song/.209533|archive-date=4 April 2024|date=3 April 2024|url-status=live}}</ref> Film ini ditayangkan pada tanggal 7 Juni 2024.<ref>{{cite web|last=Pineda|first=Rafael|title=Live-Action Ikoku Nikki Film's Teaser Reveals June 2024 Opening|url=https://www.animenewsnetwork.com/news/2023-12-19/live-action-ikoku-nikki-film-teaser-reveals-june-2024-opening/.205688|website=[[Anime News Network]]|access-date=20 Desember 2023|archive-url=https://web.archive.org/web/20231220010750/https://www.animenewsnetwork.com/news/2023-12-19/live-action-ikoku-nikki-film-teaser-reveals-june-2024-opening/.205688|archive-date=20 Desember 2023|date=19 Desember 2023|url-status=live}}</ref><ref name="ANN-2024-03-10">{{cite web|last=Pineda|first=Rafael Antonio|title=Live-Action Ikoku Nikki Film Reveals New Song, June 7 Release|url=https://www.animenewsnetwork.com/news/2024-03-10/live-action-ikoku-nikki-film-reveals-new-song-june-7-release/.208565|website=[[Anime News Network]]|access-date=11 Maret 2024|date=11 Maret 2024|archive-date=11 Maret 2024|archive-url=https://web.archive.org/web/20240311005359/https://www.animenewsnetwork.com/news/2024-03-10/live-action-ikoku-nikki-film-reveals-new-song-june-7-release/.208565|url-status=live}}</ref>
