SQL> 
with t (id, km, f2st, f3st)as ( select 1, 1015,  2, 1
            from dual union all select 2, 1016,  3, null
            from dual union all select 2, 1017,  4, 1
            from dual union all select 3, 1018,  6, null
            from dual union all select 4, 1019,  5, null
            from dual union all select 4, 1020,  3, 2
            from dual
            )
select * from (
  select dense_rank() over(partition by id order by km) col#
       , t.*
  from t
)
pivot (
min(km) as km, sum(f2st) as f2st, sum(f3st) as f3st
for col# in (1 as a, 2 as b, 3 as c, 4 as d, 5 as f)
);
        ID       A_KM     A_F2ST     A_F3ST       B_KM     B_F2ST     B_F3ST       C_KM     C_F2ST     C_F3ST       D_KM     D_F2ST     D_F3ST       F_KM     F_F2ST     F_F3ST
---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
         1       1015          2          1                                                                                                                          
         2       1016          3                  1017          4          1                                                                                         
         3       1018          6                                                                                                                                     
         4       1019          5                  1020          3          2                                                                                         

SQL>