g_lat<- c(45.52306, 40.26719, 34.05223, 37.38605, 37.77493)
g_lon<- c(-122.67648,-86.13490, -118.24368, -122.08385, -122.41942)
address<- c(1,2,3,4,5)
df1<- data.frame(g_lat, g_long, address)

g_lat<- c(+37.7737185, +45.5222208,+37.77493)
g_lon<- c(-122.2744317,-098.7041549,-122.41942)
msa<- c(1,2,3)
df2<- data.frame(g_lat, g_long, msa)

address g_lat    g_lon         msa
  5     37.77493  -122.41942     1
  5     37.77493  -122.41942     3