\version "2.16.1"
#(set-global-staff-size 20)

toCoda = {
  \once \override Score.RehearsalMark #'break-visibility = #begin-of-line-invisible
  \once \override Score.RehearsalMark #'outside-staff-priority = #5
  \mark \markup { \musicglyph #"scripts.coda" }
}

toCodasmall = {
  \once \override Score.RehearsalMark #'break-visibility = #begin-of-line-invisible
  \once \override Score.RehearsalMark #'outside-staff-priority = #5
  \mark \markup { \magnify #1.0 \musicglyph #"scripts.coda" }
}

txtCoda = {
  \once \override Score.RehearsalMark #'break-visibility = #begin-of-line-invisible
  \once \override Score.RehearsalMark #'X-offset = #-11.5
  \once \override Score.RehearsalMark #'outside-staff-priority = #5
  \mark \markup { \concat { "to Coda  " \raise #1 \musicglyph #"scripts.coda" } }
}

\score {
  \new Staff { 
    \toCoda R1 \toCoda \bar "||" | R1 \break
    \toCoda R1 \toCoda
    \repeat volta 2 { R1 } \alternative { R1 { R1 \toCoda } } \break
    \repeat volta 2 { R1 \toCoda } \alternative { R1 R1 } \break
  }
}

\score {
  \new Staff { 
    \toCodasmall R1 \toCodasmall \bar "||" | R1 \break
    \toCodasmall R1 \toCodasmall
    \repeat volta 2 { R1 } \alternative { R1 { R1 \toCodasmall } } \break
    \repeat volta 2 { R1 \toCodasmall } \alternative { R1 R1 } \break
  }
}

\score {
  \new Staff { 
    \txtCoda R1 \txtCoda \bar "||" | R1 \break
    \txtCoda R1 \txtCoda
    \repeat volta 2 { R1 } \alternative { R1 { R1 \txtCoda } } \break
    \repeat volta 2 { R1 \txtCoda } \alternative { R1 R1 } \break
  }
}