The album was written and produced by Crow, Doyle Bramhall II and Justin Stanley and features the musicians Tommy Sims and Chris Bruce.

[16] BBC also gave 100 Miles a positive review, calling it a "mix of white soul, rock, and reggae" and praising the partnership between Crow and producer Doyle Bramhall II.

[17] Billboard magazine says "100 Miles is a path Crow was certainly wise to tread", praising her celebratory mind frame and the joyous mood of lead single "Summer Day", as well as "Peaceful Feeling" and first track "Our Love is Fading".

[9][18] Mojo Magazine finds Crow in a peaceful state of mind, after adopting her two sons, Wyatt Steve and newborn Levi James.

Mojo praises producers Doyle Bramhall II and Justin Stanley (Amy Winehouse) in their pursuit of "shimmering Memphis sound" and calls ballads "Stop" and Crow's cover of "Sideways" two of her most "vulnerable and classy performances".